Name: Cold compress ice bag Material: nylon cloth, elastic cord, built-in material: high polymer compound phase-change cold storage material. Size: Ankle ice pack: 51*16cm/20.08*6.3 inches, with 50cm/19.69 inches elastic strap. Waist ice pack: 33*14cm/13*5.51 inches, with 31cm/12.2 inches elastic strap Wrist ice pack: 27*10.5cm/10.63*4.13 inches, with 30cm/11.81 inches elastic strap PREMIUM QUALITY MATERIAL: Our ice bag is made of double-sided nylon fabric with matching elasticated ties, breathable, no need to wrap it with a towel or cloth cover. The half-connected design in the middle is easy to bend without affecting the flow of gel inside! EFFECTIVE PAIN RELIEF: Gel ice packs are great used for pain relief miracle for swelling, sprains, bruises, inflammation, bursitis, arthritis. This ice pack can also help muscles recover after gym or strenuous exercise, injury or surgery. It helps relieve muscle strains, meniscus tears, ACL, joint pain, sports injuries, knee replacement surgery. ERGONOMIC DESIGN: The ice pack references ergonomics to ensure a tight and comfortable angle, providing 360° targeted relief for your pain. The lightweight and breathable ice packs are also flexible even after freezing, double sealed to prevent leakage and won't interfere with your daily activities. REUSABLE: The ice packs are reusable and can be adjusted as needed for looseness and tightness to prevent slippage and free your hands for daily home use. USE METHOD: After receiving, lay flat and open the refrigerator (the lowest temperature layer of the refrigerator), usually not used can also be put in the refrigerator, so that when you want to use it can be taken out and used directly, you can also put it in the refrigerator for more than 5 hours before use! (When you just take it out of the freezer, you need to use a towel to avoid frostbite! Long-term storage method: can be placed in the refrigerator, can also be placed in a cool place to save!