Features: Pro design for knee, reusable knee cold pack are bulit in pvc with soft blet, perfect shape to ensure proper coverage and application of ice or heat. adjustable strap provides size adjustment and allows for the adjustment of compression to suit your individual needs. the knee ice wrap remains flexible when for frozen and stay cold. Fast pain relief ,this knee cold pack is specially designed for knees and elbows and brings natural pain relief to knee sports injuries, knee soreness, sprains, strains, sprains and strains, and help to speed recovery from sports injuries, knee surgery. Hot cold therapy,for hot therapy, heat the pack in microwave in 10 seconds intervals,or 60℃ 3-4 mintues, reducing pain and increasing circulation to promote rapid healing. for cold therapy, place the gel pack in the freezer cold storage 30-60 mintues freezer 15-30 mintues or until desired temperature is achieved. good for muscle aches, sprains, swelling, bruises and joint pain. Soothing relief, whether you prefer to freeze pain away or soothe it with the help of warm therapy, this reusable knee ice wrap is the perfect choice for you! get ready to relieve knee and joint pain. Specifications: Material;PVC,Soft Crystal,Gel Color:Blue,Green Package Includes: 1 Piece Knee Gel Ice Pack note: Please allow 1-2cm errors due to manual measurement. Due to the difference betweeen different monitors,the pic may not reflect the actual color of the item.