• portable insulated water bottle for hiking and gym
  • Portable one-hand open lid thermos bottle
  • 304 stainless steel travel flask with handle
  • Leakproof vacuum insulated sports water bottle
  • ULKNN 600ML stainless steel thermos bottle
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Never Spill a Drop – ULKNN 600ML Leakproof Thermos, 304 Steel, One-Hand Lid | CE FCM

Never Spill a Drop – ULKNN 600ML Leakproof Thermos, 304 Steel, One-Hand Lid | CE FCM

€67,99 EUR
€67,99 EUR
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Never Spill a Drop – ULKNN 600ML Leakproof Thermos Bottle, 304 Stainless Steel, One-Hand Lock Lid

A leaking flask in your bag is not just annoying — it ruins everything. The ULKNN 600ML thermos is engineered to never let that happen. The one-hand lock lid seals completely with a single press and stays locked until you choose to open it, while 304 food-grade stainless steel construction ensures your drink tastes exactly as it should — no metallic aftertaste, no plastic contamination. CE and FCM certified for food safety. Available in Grey, White, Black, and Brown.

5 Outcomes That Make Customers Choose the ULKNN Thermos

1. Zero Leaks, Zero Mess – One-Hand Lock Lid That Stays Sealed

The one-hand lock lid seals completely with a single press and stays locked until deliberately opened — so you can throw the ULKNN in your bag, backpack, or gym kit without a second thought about leaks or spills.

2. Pure-Tasting Drinks Every Time – 304 Food-Grade Stainless Steel

304 food-grade stainless steel inner and outer construction means your coffee, tea, or water tastes exactly as it should — no metallic aftertaste, no plastic contamination, no compromise on flavour.

3. Open It Without Putting Anything Down – One-Hand Operation

The one-hand open design lets you access your drink instantly with a single press — no unscrewing, no two-handed fumbling. Perfect for driving, cycling, or any situation where one hand is occupied.

4. Food Safety Certified – CE and FCM Compliant

CE and FCM (Food Contact Materials) certified, the ULKNN meets European food safety standards, giving you confidence that every material in contact with your drink is safe and compliant.

5. Match Your Style – 4 Colour Options

Available in Grey, White, Black, and Brown, the ULKNN suits every style and preference — from minimalist office aesthetics to outdoor adventure gear.

Perfect For

Commuters, gym-goers, cyclists, hikers, and office workers who need a reliable, leakproof flask for hot or cold drinks on the go. Available in 490ML and 600ML capacity.

Technical Specifications

  • Brand: ULKNN
  • Capacity: 490ML / 600ML
  • Material: 304 Stainless Steel (Inner and Outer)
  • Lid: One-Hand Open with Lock Tab
  • Shape: Straight Cup
  • Insulation: 0–6 Hours
  • Colours: Grey, White, Black, Brown
  • Certifications: CE / EU, FCM
  • Features: Leakproof, Portable Handle, Eco-Friendly
  • Origin: Mainland China
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Customer Reviews

Overall rating: 4.9 / 5 from 5679 reviews.