【Unused】Backpack Cooling Pad for Backpacks, Summer, Adults, Elementary School Students, Children (Khaki)

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Continuous Cooling with Latest PCM Cooling Technology: Reduces back stuffiness as a cooling pad for backpacks during summer outings, commutes, school, and shopping. The phase change material (PCM gel) using NASA technology naturally freezes below 28°C, achieving continuous cooling when combined with a cool backpack. Keeps you cool for 60-90 minutes in a 25-35°C environment (more energy-efficient than conventional cooling materials). It keeps your back cool and prevents sweat odor using the physical phase change principle like ice that doesn't melt. Safe for adults and children.

Versatile Fit for All Occasions: Supports everything from preventing back stuffiness during commutes, heatstroke prevention for elementary school students, cooling during outdoor activities (fishing/fireworks festivals), to multi-use on car seats/strollers. When attached to a backpack, it acts as a cooling pad, and when removed, it transforms into a cool cushion or ice pack. It blocks heat from your child's back during their commute and prevents heatstroke with natural cooling that has no risk of frostbite.

Ergonomic & Lightweight Design: Optimized size of 22x28cm for backpacks (fits all from school backpacks to outdoor backpacks). The 3D shape fits your back for cool contact. The ergonomic back-fitting shape + independent filling structure maintains a flat fit even after repeated use. Ultra-lightweight design of 6mm thickness and 190g (50% smaller than conventional products) for excellent storage. The back pad with ventilation holes promotes cool air circulation, preventing condensation and improving breathability. Comes with adjustable clips that children can easily attach in 10 seconds.

High-Quality Materials for Safe and Lasting Use: Made with German biodegradable PCM (TÜV biodegradable certification acquired). The 3-layer barrier structure completely prevents frost and condensation. Cleared pressure resistance test 3 times (30,000 times) the JIS S 4057 standard. Medical device-grade flexible TPU material achieves natural freezing below 28°C (zero risk of frostbite). With non-pigmented ink technology, color fading is less than 0.1% even after 1000 washes, and antibacterial processing thoroughly suppresses mold and odors.

Management Number: 78 $$980