Glass Bottle for Children "Frog" children • neoprene cover • water restructuring • programmed glass • 0.3 l
Glass Bottle for Children "Frog” with a neoprene cover effectively absorbs shocks and is comfortable for children to hold. It is lightweight, reusable, and ideal for a daily drinking routine without plastic at school and on trips.
The interior is made of glass, which the manufacturer Flaska describes as programmed glass (TPS). The replaceable neoprene sleeve and leak-proof cap make the bottle a reliable companion for backpacks, activities, and home.
Glass Bottle for Kids “Frog” – Flaska
Glass bottle for kids made from European glass for plastic-free drinking every day at school and on trips. The bottle uses programmed glass (TPS) and has a neoprene cover that cushions impacts and improves grip.
European glass is chemically stable and naturally free from bisphenol A, it does not retain odours or tastes. Bisphenol A (BPA) is a synthetic substance used in some plastics; it can leach into drinks and is associated with hormonal activity, which is why it is regulated in the EU.
Reusable design supports a sustainable lifestyle. The leak-proof cap and replaceable neoprene sleeve make the bottle a reliable choice for backpacks and activities.
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Glass Bottle for Kids “Frog” – Main Benefits
- Glass bottle for kids for everyday drinking at school and on trips.
- Neoprene cover cushions impacts, improves grip, and is comfortable to hold.
- Programmed glass (TPS) used in Flaska bottles.
- Glass is chemically stable, free from bisphenol A; it does not retain odours or tastes.
- Leak-proof cap – the lid fits securely and prevents liquid leaks in the backpack.
- Easy maintenance – practical neck and hand washing without retaining odours.
- Reusable option – reduces the consumption of single-use plastics.
- Replaceable neoprene sleeve – easy to refresh the look or colour.
- Unisex design – green is suitable for girls and boys.
On pravebio you will also find other colour variants of children's bottles Flaska. Popular choices include designs: bottle “Knight” – blue for boys, and bottle “Princess” – pink for little girls.
We also think of adults – for everyday plastic-free drinking we recommend the glass bottle Flaska – Flower of Life.
How do Flaska bottles differ from “ordinary” bottles?
Compared to plastic bottles, Flaska offers the benefits of glass: it is chemically stable, and therefore does not retain odours or tastes and does not absorb dyes from drinks.
Glass is also naturally free from BPA and plasticizers, while plastic can, with long-term use, retain odours or release components into the drink.
From a hygiene perspective, glass is easy to clean and withstands hot water and thorough mechanical cleaning with a brush, without forming a film on the surface. In contrast, plastic is more easily scratched and microcracks can worsen washability and cleanliness.
In its lifecycle, a glass bottle has a long lifespan with careful handling and is fully recyclable, reducing the need for single-use packaging. Plastic may be lighter, but it usually has a shorter useful life and struggles to maintain taste neutrality over extended use.
In practice, glass is heavier and more fragile, but Flaska compensates with accessories that enhance comfort and durability when carrying.
Available are cork or neoprene sleeves and bottles in various sizes, so you can easily choose a version for work, sport, travel, and home serving.

Who are Flaska bottles for and where can you use them?
Flaska bottles are suitable for everyday drinking at home, in the office, at school, and in meetings. They are great for sports and leisure – for fitness, yoga, hiking, and cycling. Flaska also offers bottles for kids ideal for maintaining hydration at school.
Practical for travel and daily commuting – for backpacks or cars, on trips or in the city. The bottle is easy to refill at fountains or at home before leaving, so you always have water at hand.
Suitable for the dining table and in the kitchen as an aesthetic serving bottle for family and guests. You can use it during working from home, in meetings, and as part of daily hydration. The protective cork or neoprene sleeve makes it easier to grip, cushions impacts, and helps maintain comfort when carrying.
Why Choose Flaska
Flaska bottles are reusable glass bottles that keep water taste-neutral and free from unwanted odours. Glass is inert and naturally BPA-free, so it does not react with the drink or release anything into it.
A part of the brand's identity is the programmed glass, which the manufacturer describes as its specific method of "tuning" the water.
Bottles easily integrate into everyday hydration at work, home, during study, and on the go. With a convenient neck and quality closure, they are easy to clean and comfortable to drink from.
The brand offers several bottle sizes and a wide range of accessories for different situations. The most popular are cork sleeves, with neoprene sleeves and other accessories for grip and protection also available.
For long-lasting use, it is recommended to hand wash with a mild agent and regularly air the cap. Repeated use of the bottle helps reduce single-use plastics and supports sustainable habits.
Taste Purity
Glass bottle is inert – it does not react with the drink, does not absorb odours or flavours, and does not stain from drinks.
BPA and Plasticizer Free
Glass is naturally BPA-free and plasticizer-free, so you don't have to worry about the typical migration of substances from plastic into the drink.
Sustainable Choice
Reusable bottle with long lifespan and fully recyclable material reduces the amount of single-use packaging.
Comfort with Accessories
The most popular is the cork sleeve for a more secure grip and shock absorption; a neoprene sleeve and other accessories are also available.
Easy Maintenance
Glass is easy to wash and handles hot water well; when hand-washed, the bottle does not retain aromas or stains.
Versatile Use
For office, school, sports, travel, and home serving – water is always at hand and tastes the same.
Material and Processing
Glass bottle for children is made from thick-walled European glass (so-called programmed glass (TPS)), which is chemically stable and naturally free from bisphenol A and plasticizers. Glass does not absorb odours or flavours and is suitable for everyday drinking regime.
Sleeve is made of durable neoprene cover (handcrafted) for a secure grip, shock absorption, and light thermal insulation. The closure is leak-proof with reliable sealing to prevent fluid leaks in the backpack. All components intended for contact with water meet food contact requirements.
Each piece undergoes careful assembly and inspection. To maintain appearance and function, we recommend hand washing and avoiding dishwashers, microwave ovens, and sudden temperature shocks.
Usage and Maintenance
- Before first use, rinse the bottle and cap with warm water and a mild agent.
- Fill the bottle with tap water; for reliable sealing, attach and firmly screw on the cap.
- Wash exclusively by hand using a soft brush and mild detergent.
- Do not use a dishwasher; avoid microwave ovens and sudden temperature shocks (do not pour boiling water, do not freeze).
- Neoprene sleeve should be left to air dry after getting wet; do not dry on a direct heat source.
What to buy with this bottle?
- ✔︎ Soaply – Dishwashing Liquid - Lime – gentle bottle and cap cleaning, pH neutral; helps remove odours and maintain cleanliness.
- ✔︎ Jigsaw Health – Supreme™ Electrolytes - Berrylicious – sugar-free electrolytes, easily soluble in water; taste like fruit juice and support children's hydration.
- ✔︎ Vegetology – Vit D3 Vitashine in Spray - 1000 IU – practical spray for easy dosing of vitamin D3 throughout the day.
- ✔︎ Zinzino – Children's Chewable Multivitamins Multify – chewable multivitamin for children; supplements key nutrients during school routine and activities.
FAQ
What is Glass & Vibe technology and how to use the bottle correctly?
The manufacturer states that a vibration program is imprinted into the glass, which is supposed to "tune" the water in about 5 minutes. Procedure: fill the bottle, wait, gently swirl the water, and drink. Consider this principle as a brand claim, not a health effect.

Is the Flaska BPA-free and what materials is it made of?
Yes. Glass is naturally BPA-free and free from plasticizers and is inert (does not react with the drink). Accessories mainly consist of cork and neoprene sleeves for protection and comfortable carrying.

Can I wash the bottle in a dishwasher?
Not recommended. Maintenance is by hand – use a soft brush and mild detergent. This way, both the bottle and sleeve will maintain a longer lifespan.

What about hot water – can I pour hot drinks into the bottle?
Hot drinks may reduce the claimed "structuring" effect. Recommendation: prepare hot drinks separately and let them cool, or use special cups/glasses designed for hot drinks (information on "water tuning" is a manufacturer's claim).

How durable is the bottle and what to avoid?
Glass is robust, but remains a fragile material. We recommend a protective sleeve, avoiding drops and impacts, not using in a microwave, and not exposing to extreme temperature shocks.

What sizes and accessories are available?
The brand offers several bottle sizes and a wide range of accessories. Available are interchangeable sleeves (cork, neoprene), spare caps, and other accessories for everyday use.

Additional parameters
| Category: | Less waste |
|---|---|
| Manufactured by: | Flaška d.o.o. Begunje 82a SI-4275 Begunje Slovenija, EU |
| Country of origin: | Slovenia |
| Vhodné pro: | Kids |
| Volume: | 0,3 l |
| The item has been sold out… | |
Meet Flaska! The programmed glass water bottle
Water structuring with Flaska
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Zakladatel slovinské značky Flaska, Maks Vrečko, je skutečný inovátor. Na nápad, který za Flaskou stojí, přišel při pěstování jahod. Pomáhal totiž manželce na jejich rodinné farmě. Protože ho typické zemědělství nezajímalo a klasické zemědělské technologie moc neznal, začal se zajímat o různé netradiční přístupy. V roce 2003 se díky tomu seznámil s procesem restrukturalizace vody. Rozhodl se provést vlastní pokus - polovinu pole zaléval restrukturalizovanou vodou a druhou polovinu normální vodou.
Nějakou dobu nebyly patrné žádné výrazné rozdíly, ale když nastal čas sklizně, rychle se ukázalo, že voda hrála důležitou roli. Jahody zalévané restrukturalizovanou vodou byly znatelně pevnější. Trvanlivost plodů se prodloužila a úroda na části pole, která byla zalévaná restrukturalizovanou vodou, byla o 18,1 % vydatnější. Na konci sezóny byly rostliny v této části výsadby vitálnější a méně napadené chorobami.
V následujících letech pak Maks v experimentech s restrukturalizovanou vodou pokračoval. Ze skeptika se stal nadšencem této technologie, která je známá již téměř 90 let, od objevů Viktora Schaubergera, průkopníka strukturování vody. Maks říká, že když nad tím zpětně přemýšlí, mělo to být naprosto logické, že zlepšení struktury vody povede i ke zlepšení jahod, vzhledem k tomu, že 89 % plodu jahod je tvořeno vodou. V té době ho to prý ale vůbec nenapadlo.
K údivu mnohých Maks v roce 2009 přestal pěstovat jahody. Měly vynikající kvalitu, odbyt byl skvělý a všichni byli spokojeni. Ale život mu říkal, že se musí poohlédnout po nových výzvách. Začal nabízet technologii strukturování vody v zemědělství. Přes vynikající výsledky testů (při pěstování ovoce, zeleniny, výrobě mléka, chovu drůbeže atd.) nebyl trh ještě připraven přijmout "neviditelnou" technologii, přestože její výsledky byly zcela zřejmé.
Po náročném roce a půl dostal nápad implementovat technologii strukturování vody do lahve pro každodenní použití. V listopadu 2009 byla spuštěna testovací série a po kladném ohlasu byla zahájena skutečná výroba. A tak se zrodila - Flaska! Na slovinský trh vstoupila 10. března 2010.
Věci se začaly hýbat kupředu rychlostí blesku - tým Flasky se rozrůstal, a brzy uváděli na trh nové modely a velikosti lahví a expandovali na nové světové trhy. Vypadá to jako pohádka, ale v reálném životě Flasku také čekaly těžké časy, zejména v letech 2012 až 2014. Toto období překonali jen díky společné práci a spoustě pozitivní energie všech zaměstnanců a partnerů. V následujících letech pak vyvinuli další naprogramované výrobky - džbán Vodan, Doggy Flasku pro psy a sklenici na pití Sirius.
Flaska nadále zdokonaluje proces restrukturalizace vody TPS. Jejich filozofie restrukturalizace vody se liší od většiny ostatních, které tuto technologii nabízejí. Pomáhají vodě vrátit se k její pramenité struktuře. Společnost Flaska zastává názor, že všichni obyvatelé naší planety by měli pít vodu co nejlepší kvality. Výrobou Flasky tak nejen zvyšují obecné povědomí o pití kvalitní vody, ale přispívají ke snižování vytváření plastového odpadu jednorázovými plastovými lahvemi.
Flaska je důkazem toho, že máme moc měnit svět prakticky každým douškem vody, kapku po kapce.

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