【Product Name】 ICE COOLER Cooling Mat Set of 4 (1 M, 2 S, 1 for Hat) PCM Band Cooler x 1 【Item Names】 Cooling mat, PCM mat, cool mat, ice mat, heatstroke prevention, heat対策, cooling goods, cooling sheet, pet mat, cooling sheet for hat, outdoor work, commuting, outdoor activities, outdoor events, energy saving, reusable, no condensation, summer対策, natural freezing type, washable mat, unisex 【Description】 A convenient set of 4 cooling mats that freeze naturally below 28°C, and a band cooler, totaling 5 items. No refrigerator needed, and they can be used repeatedly. This set includes a special PCM material that prevents condensation, making it perfect for various situations such as indoors, outdoors, commuting, and for pets! They are washable and reusable, making them economical and eco-friendly. 【Colors】 White / Navy 【Materials】 Outer: PP Contents: PCM (Special Cooling Material) 【Condition】 I didn't end up using them when I planned to, so they've only been tried on. 【Sizes (Marked/Fit)】 ・M size: Approximately 37 x 25cm (1 piece) ・S size: Approximately 18 x 25cm (2 pieces) ・For Hat: Approximately 20 x 18cm (1 piece) ・Band Cooler: Approximately 6cm x 24cm (2 pieces) You can use them according to your hats, chairs, pet beds, etc.