WATERSY 500ml Insulated Vacuum Flask – 304 Stainless Steel Double-Wall Thermal Water Bottle, 12–24hr, 18 Colors
18 Colors. 24-Hour Temperature. Zero Leaks.
The WATERSY 500ml vacuum flask is built for real all-day use. Double-wall 304 stainless steel construction maintains hot drinks up to 12–24 hours and cold drinks equally as long. A 360° silicone-sealed lid locks in every drop. CE/EU certified, eco-friendly, and available in 18 colors — from gradients and pastels to bold solid tones. The perfect everyday carry bottle and a standout gift for friends, classmates, and family.
Key Features
- 12–24 Hour Insulation – Double-wall vacuum construction keeps hot drinks hot and cold drinks cold for up to 24 hours
- 304 Stainless Steel – Food-grade, rust-resistant, no high-concern chemicals; durable for daily use
- 360° Leakproof Lid – Built-in silicone sealing ring on the lid for a complete, leak-free seal
- 18 Color Options – Light pink, hot pink, peach pink, gradient pink, light blue, dark blue, haze blue, gradient blue, blue-pink, blue-green, green-blue, light purple, dark purple, silver, black, beige white, skin color, electronic blue
- 500ml Capacity – Right-sized for all-day hydration; fits standard cup holders and bags
- CE / EU Certified – Safety and quality certified for the EU market
- Multi-Scenario Use – Office, car, gym, school, home, sports field, movie theater, library
- Great Gift Option – 18 colors and premium build make it ideal for friends, classmates, and family gifts
Frequently Asked Questions
Q: How long does it keep drinks hot or cold?
A: Up to 12–24 hours depending on conditions and lid usage.
Q: Is it leakproof?
A: Yes — 360° silicone seal on the lid for full leak protection.
Q: What are the dimensions?
A: Height 27cm, top diameter 4.5cm, bottom diameter 7cm.
Q: How many colors are available?
A: 18 colors — see the full list in the key features above.
Q: Is it safe for daily use?
A: Yes — 304 food-grade stainless steel, CE/EU certified, no high-concern chemicals.
SPECIFICATIONS
Brand: WATERSY | Capacity: 500ml
Material: 304 Stainless Steel (Double Wall)
Insulation: 12–24 Hours (Hot & Cold)
Lid: 360° Silicone Seal, Leakproof
Size: H27cm / Top Ø4.5cm / Base Ø7cm
Certification: CE / EU | Eco-Friendly: Yes
Colors: 18 Options
Origin: Mainland China
Weight: 0.789 lbs (0.358 kg)