The Swede-O Versi-Splint provides a great combination of medial and lateral ankle stabilization, cold therapy, and compression to help relieve pain and swelling following acute ankle injuries. Upper bladder contains air while lower bladder contains gel; this combination provides propercompression and cold therapy. These durable, vinyl bladders are double sealed to prevent leakage. The ultralight, contoured rigid shell fits comfortably over the right or left ankle. Thin heel pad is comfortable and easily fits in most shoes. To utilize the splint for cold therapy, simply place the product in the freezer for 30 minutes prior to use.