First come, first served! ✨ Instant purchase OK ✨ Free shipping ✨ Anonymous shipping ✨ Same-day shipping ✨ Opened for inspection and photography, but it is new and unused. ✨ Since this is a personal item being sold, the manufacturer's warranty cannot be used. ✨ Please evaluate the product after confirming its functionality. Returns and refunds will not be accepted after the evaluation. # Click here for Yuuka's product list Many other items are also on sale♪ Just insert it inside your hat! Antibacterial! Deodorizing! Dehumidifying! Recommended for heatstroke prevention. Great for club activities like baseball and soccer, and for staying cool on the way to school. Sports Leisure Hobbies Work! Comfortable and cool! ★ Please check the instructions on the back of the package before use. Material: Special aluminum composite/Non-woven fabric with silica gel/Acrylic adhesive Size: 250 x 145 Contents: 1 sheet 2-63:4-565