Features: Comfortable and Flexible: Our knee ice bag has a soft, flexible and stretchy gel to provide a more comfortable recovery experience than hard ice bags. Durable Material: Our durable elbow ice bag made of quality lycra+gel materials, light, comfortable, breathable, refreshing, wrapped around 360 degrees and easy to dry. Versatile Use: Muscles and joints are relieved by the cold or hot pack. And the knee ice pack for injuries is best for knees, elbows, arm, hamstrings, wrists, calfs or ankles. Help with Sports: Our freezer has a quality ice bag design to protect the muscles, keep your muscles comfortable during exercise and promote faster muscle recovery. Heating or Cooling: equipped with a double uses design, our elbow ice pack can be stored in freezer to provide ices cold relief, or can be heated to create a more relaxing warmth. Specifications: Material: Lycra+Gel Color: As The Picture Shows Size Options: S/L Size: approx.21x13x10x1.6cm/8.26x5.11x3.93x0.63in (More Size Detail, Please See Photo.) Package Includes: 1Pc Elbow Ice Pack note: Please allow 1-2cm error due to manual measurement. Please make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks!