Colulu Backpack Cooling Back Ice Cooling to the Cooling Pad for Perfect for Heatstroke Cooling and Heat Perfect for Elementary School Students and

[Point 1] Cooling material prevents over-chilling. PCM material maintains a temperature of approximately 28°C, preventing over-chilling and frostbite. It absorbs heat and cools to a comfortable temperature that is gentle on the body. 【Point 2】The design fits your back perfectly. Because it has a cool feel, a good fit is important. The rectangular shape makes it difficult to bend, so it doesn't stick out of the backpack, but it is trapezoidal and designed to bend along your body. [Point 3] It's about A4 size, so you can store it in your backpack when not in use. It doesn't condense, so the contents of your backpack won't get wet. 【Point 4】It is washable and hygienic. It is washable and hygienic because you sweat a lot. [Point 5] It's so light you'll forget you're carrying it. It's about 30% lighter than ice packs of the same size, weighing just 300g, making it even more comfortable! Ultra-lightweight! At just 300g, it weighs about the same as an apple. [Made with the new and exciting material PCM!] PCM naturally freezes at 28°C, providing a gentle, skin-friendly, and cool sensation that lasts for hours. It doesn't get too cold, so you can enjoy a comfortable, long-lasting coolness. It absorbs and freezes body heat at 28°C. [Wide range of colors] Pink/Beige/Gray/Blue [Specifications] Size: Approx. 22cm x 25cm (Main body) Material: Outer: TPU (thermoplastic polyurethane) Filling: PCM (phase change material) gel Strap: Polyester/zinc alloy [How to use] - Be sure to check for any damage before use. - Chill in the freezer for 30 to 60 minutes before use. Hand Wash [Caution] - If the gel becomes uneven, smooth it evenly with your hands before use. - Never heat using a microwave or other heating appliance. - Take care not to accidentally ingest or swallow. - If damaged, discontinue use immediately. - If the gel comes into contact with your body or clothing, rinse with water. - If you experience any skin irritation or itching, discontinue use immediately and consult a specialist if necessary. - If it becomes dirty, gently wipe it off with a soft cloth. This product is not machine washable or dryable. - The printed color may gradually fade or peel with repeated use. Please note in advance. - Do not use for purposes other than its intended use. - Prolonged exposure to direct sunlight may reduce the gel's performance. Avoid direct sunlight during use and storage. - If no longer needed, dispose of it properly according to the instructions of your local government. [Point 1] Cooling material prevents overcooling. Made with PCM material that maintains a temperature of approximately 28°C, it prevents overcooling and frostbite. It absorbs heat and cools, maintaining the optimal temperature for the human body. [Point 2] Designed to fit your back. Because it's cool to the touch, a snug fit is key. Its rectangular shape makes it difficult to bend, so it doesn't fit snugly inside a backpack. Its trapezoid shape allows it to bend to fit your body. [Point 3] It's approximately A4 size, so you can store it in your school bag when not in use. It doesn't condense, so the contents of your backpack stay dry. [Point 4] Fully washable for hygienic use. It's easy to wash, so it's hygienic for those who sweat. [Point 5] Lightweight, so you'll forget you're even wearing it. Approximately 30% lighter than ice packs of the same size, it weighs approximately 300g, making it even more comfortable! Ultra-lightweight! Approximately 300g, it weighs about the same as an apple. [Available in a wide range of colors: Pink, Beige, Gray, Blue] [Made with the exciting new material PCM! PCM freezes naturally at 28°C, providing a gentle, skin-friendly cool feeling that lasts for hours. It doesn't get too cold, so the comfortable coolness lasts for a long time. It absorbs and freezes body heat at 28°C. Specifications: Size: Main body (approx.) 22cm x 25cm Material: Outer fabric: TPU (thermoplastic polypropylene) Urethane) ・Contents: PCM (Phase Change Material) Gel ・String: Polyester Zinc Alloy [How to Use] ・Be sure to check for any damage before use. ・Refrigerate for 30-60 minutes before use. [Caution] ・If the gel is uneven, smooth it evenly with your hand before use. ・Never heat using a microwave or other heating appliance. ・Take care not to accidentally ingest or swallow. ・If the gel gets on your body or clothing, rinse with water. ・If you experience any skin irritation or itching, discontinue use immediately and consult a specialist if necessary. ・If it becomes dirty, gently wipe it with a soft cloth. This product is not machine washable or dryable. ・The printed color may gradually fade or peel with repeated use. Please note this beforehand. ・Do not use for purposes other than its intended use.・Prolonged exposure to direct sunlight may cause the gel's performance to deteriorate. Avoid direct sunlight during use and insurance. If this occurs, dispose of it in an appropriate manner according to the instructions of your local government.