PERFORMANCE TECHNOLOGIES: Great for Athletic Recovery: Can be used as part of an athlete's daily recovery and rehab program. Provides effective cold or hot therapy Easy On Design: Simply pull on sleeve over treatment area for instant, stay-in-place compression therapy Total Compression Coverage: Featuring soft and flexible gel, the sleeve conforms to your body and provides 360 degrees of compression therapy and 100% coverage of treatment area Safe on Skin: Specially designed material is wearable over bare skin without risk Non-toxic: 100% leak proof Can be worn on knee or thigh ADDITIONAL SPECS: Freezes in 2 Hours