This is a BURTLE freezer vest and a set of 3 ice packs. I purchased this last year and used it for about 2 months. This was purchased as a spare, and the ice packs are 【unused】. ・The size is for chest sizes 80-100cm, with stretch and adjustable straps. ・It cools the sides and back with 3 reusable ice packs. ・Unisex. ・Material: 90% polyester, 10% polyurethane. ・Washed at home. Please understand that this is a used item.