Thank you for viewing! This item is unopened. Color: Green Dot Brand: likevol Size: S Product Dimensions: 15 cm length x 15 cm width Number of Items: 1 Pattern: Polka Dot [Material] Exterior: TPU [Keeps you cool in the hot summer] Usable time is approximately 3 hours to 3 hours and 30 minutes at 30°C to 35°C. Cooling is achieved in a short time when placed in ice water or cold water. (15-20 minutes in the freezer or car air conditioner, 30-40 minutes in ice water or cold water!) [Can be used repeatedly by cooling] This cooling tube changes to liquid when the temperature is 28°C or higher, and changes to solid when the temperature is 28°C or lower, and can be used repeatedly by cooling. [No condensation, and clothes won't get wet] Even if it absorbs heat and turns into a liquid when worn around the neck, it doesn't condense, and you'll always feel dry and comfortable! For the prevention of heatstroke! [Wide range of uses] It can be used in various situations such as golf, fishing, basketball, cycling, hiking, driving, gardening, studying or working, watching sports, and outdoor activities, and even at work sites. The gentle cooling is also popular as a gift for children and women!