New Summer 2025 Two Sizes for Backpacks and Backpack Cooling Workwear Back Cooling Heat Cooling to the Heatstroke Summer Natural Car For Children and

"NASA-inspired PCM cooling for a cool back! (M/L sizes)" ● Utilizing cutting-edge PCM cooling material inspired by NASA technology, this product effectively reduces back stuffiness and discomfort during sweaty summer activities, such as commuting to work or school or outdoor events. The PCM gel inside naturally freezes below 28°C, maintaining a long-lasting cool feeling. ● Cools for up to approximately 180 minutes in temperatures between 25°C and 35°C. Combined with this product's cooling design, it achieves greater energy efficiency and efficiency than conventional products. By utilizing a physical phase change, it maintains a cooling sensation while also suppressing sweating and odor. ● Designed for peace of mind in Japan. Available in two sizes, M and L, for a wide range of use, from adults to children. The three-dimensional design perfectly fits the Japanese body type, making it the perfect everyday item for combating the heat. Cooling, comfort, and safety are three of the three key elements of this summer staple. "A multi-functional cooling pad for commuting, school, and outings!" This multi-functional cooling pad can be used for a wide range of purposes, from commuting to outdoor activities. It's useful for a variety of occasions, from preventing back sweat during the commute, to preventing heatstroke in elementary school children, and for leisure activities like fishing and fireworks festivals, as well as in car seats and strollers. Attach it to your backpack to use as a back cooling pad, or remove it to use as a cooling cushion or pillow. It effectively insulates your child's back from heat, providing natural cooling for a comfortable commute. It's safe and secure, with no risk of frostbite. Combines cooling and insulation functions. Its reusable design makes it economical and a reliable solution for battling the summer heat. "Ergonomic 3D design for a comfortable fit and highly breathable back cushion" It fits snugly to your back and keeps you cool for longer. Available in two sizes, 22 x 30 cm and 25 x 40 cm, it's comfortable for both children and adults. The 3D design follows the curves of your back, staying in place even when you move. The independent filling prevents deformation, ensuring a soft, comfortable feel no matter how many times you use it. Additionally, six ventilation holes on the back circulate cool air to prevent stuffiness. It also reduces condensation, ensuring comfort. "High-quality cooling pad with antibacterial and anti-condensation features, made with trusted German-made PCM." We are committed to creating products that our customers can use with confidence for many years to come. The core of this product is made of PCM (phase change material), a material made in Germany and certified biodegradable by TÜV. Its innovative three-layer structure prevents frost and condensation from forming. Under strict quality control, it complies with Japanese Industrial Standard JIS S 4057 and has passed a 30,000-cycle pressure cycle test. The outer layer is made of highly flexible TPU material, preventing frostbite even when naturally frozen in temperatures below 28°C. Furthermore, attention to detail and hygiene is also taken into consideration. Colorless ink technology ensures less than 0.1% color fading even after 1,000 washes. The antibacterial treatment effectively suppresses mold and unpleasant odors, ensuring clean and comfortable use. "Reliable Quality Assurance and Comprehensive Support" We promise quality and service that you can use with confidence. All manufacturing processes are consistently managed in our own ISO9001-certified factory, and 100% precision inspection is conducted using a high-precision 3D measuring machine before shipping. In the unlikely event of a misfit, we offer a free replacement, and in the unlikely event of a leak, we offer a 365-day free replacement guarantee. Our strict inspection system based on Japanese quality control standards ensures that we deliver safe and reliable products in any environment, allowing you to use them with confidence for many years to come. ✅ Cools down efficiently from the back ✅ Backpack type for convenience, leaving both hands free ✅ Advanced PCM cooling material for long-lasting cooling ✅ Naturally freezes in any environment below 28°C ✅ Adjustable elastic band for a secure fit ✅ Can be used with fan-equipped work clothes