Note: Please allow 1?2cm error due to manual measurement. Thanks for your understanding. specification: _x000D_Item Type: Hot Cold Compress Pack_x000D_Material: PVC + gel + suede_x000D_Size: Approx. 21 x 13cm / 8.3 x 5.1in_x000D_Function:_x000D_Used for exercise, sports and general relaxation. It is suitable for muscle soreness, sports injuries, headaches, arthritis, bruises, sprains, strains, knotted muscles, inflammation and tightness, nerve expansion, sports sprains/strains. Shoulder and neck pain, waist strain, surgery, before/after exercise._x000D_Instruction:_x000D_Hot Compress:_x000D_1. Put the product in the bag and then put it in warm water at about 60. It can be used after about 4-6 minutes._x000D_2. Put the product in a microwave oven (medium-low heat) and heat for 10 seconds, then it can be used. If it is not hot, it can be heated for another 10 seconds, but it is not possible to set a long time heating at one time._x000D_Cold Compress:_x000D_1. Put the product in the refrigerator freezer for 30-60 minutes, then take it out and rub it with your hands. You can use it after it reaches the body comfort._x000D_2. Put the product in the freezer compartment of the refrigerator for 15-30 minutes, then take it out, rub it with your hands, and use it after it reaches the body feel comfortable. Features: 1Hot compress therapy can dilate local capillaries, accelerate blood circulation, relieve pain and eliminate fatigue. 2Cold compress therapy can constrict local capillaries, play a role in heat dissipation, cooling, pain relief and preventing swelling. 3With soft plush inside, it can be used easily without towel or cloth wrapping. And it helps to gradually adapt to the irritation of ice or hot compress. 4Small, soft and light, it can be used as a pillow when resting to relieve neck fatigue. 5Relieve the joint problems of the shoulder and neck during a day's fatigue, and apply it on the feet and legs to relieve muscle soreness. PackageList: 1 x Hot ColdCompressPack