The cool towel is made of high-quality cold-feeling fiber material, which is soft, breathable and comfortable to the touch.Specification : Size : L 31.5 W 11.8 inches (80 30cm)Material : Cold Sensitive Fiber MaterialWhat's in the Package : 1 x Towel1 x Silicone box1 x CarabinerEasy to Carry : -The product comes with a silicone storage box and carabiner, you can carry it with you.-You can hang the carabiner on the backpack to save space.-Put this thin and light cool towel in the silicone storage box, put it in your bag, and then easily go to the gym or outdoor sports.Applicable to all Situations : Indoor sports, yoga, outdoor, swimming, beach, gym, mountaineering, fields, construction, parks, picnics, fishing, jogging, football matches, games, sports.How to Use : -Before first use, immerse the towel in hot water and squeeze it.-After the second time, wet the towel with water and then squeeze and shake it. The cold towel will be finished in 3-5 seconds.-If the towel becomes warm, shake it again to keep it cool.-The elastic and breathable cool towel can be easily wrapped around the head, neck or hands.Note : -We recommend cleaning before use. It can be used with water below 104 Degree F (40 Degree C).-Can be washed in the washing machine.-Do not use softeners and bleach.-Do not iron-Do not expose it to sunlight or hot and humid environment for a long time.