Cooling Pad, Cooling Sheet for Backpacks, Pillows, Chairs, Sprains - Khaki, 22cm x 28cm

22×28cm Size
Safe for everyone from adults to children as a heatstroke prevention item! ✨

⚫️ Latest PCM Cooling Technology for Sustained Cooling
Reduces back stuffiness when used as a cooling pad for backpacks during summer outings, commutes, school, and shopping. The phase change material (PCM gel) utilizing NASA technology naturally freezes below 28°C, providing sustained cooling when combined with a cool backpack. Keeps you cool for 60-90 minutes in environments of 25-35°C (more energy-efficient than conventional cooling materials). It keeps your back cool and prevents sweat odor based on the physical phase change principle of ice that doesn't melt. Safe for use by adults and children alike.
⚫️ Versatile for All Occasions
From preventing back stuffiness during commutes to heatstroke prevention for elementary school students, cooling during outdoor activities (fishing/fireworks festivals), and multi-use for car seats/strollers. It can be used as a cooling pad when attached to a backpack, and transforms into a cool cushion or ice pack when removed. It blocks heat from your child's back during school commutes, preventing heatstroke with natural cooling that eliminates the risk of frostbite. A multi-use design that balances cooling effect and heat protection.
⚫️ Ergonomic & Lightweight Design
Optimized 22×28cm size for backpacks (fits everything from school backpacks to outdoor backpacks). The 3D shape conforms to your back for a cool, snug fit. The ergonomic back-fitting shape + independent filling structure maintains a flat feel even after repeated use. Ultra-lightweight design at 6mm thick and 190g (50% smaller than conventional products) for excellent portability. The back pad with ventilation holes promotes cool air circulation, preventing condensation and improving breathability. Includes adjustable clips for easy attachment by children in just 10 seconds.
⚫️ High-Quality Materials for Lasting Safety
Made with German biodegradable PCM (TÜV Biodegradable Certification). The 3-layer barrier structure completely prevents frost and condensation. Passed pressure tests 3 times (30,000 times) the JIS S 4057 standard. Medical-grade flexible TPU material naturally freezes below 28°C (zero risk of frostbite). Uses non-pigmented ink technology for less than 0.1% color fading after 1000 washes, plus antibacterial processing to thoroughly prevent mold and odors.


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