Hot Cold Compress Gel Pack Reduce Swelling Reusable Gel Bead Knee Brace for Shoulder Neck Ankle Sky Blue 1Reduce Discomfort: Plush surfaces gel pack is skin friendly, which can reduce knee discomfort, swelling, inflammation, speed up recovery after knee surgery. 2Usage: Gel beads pack provide heat and cold compress for knees or elbows by heating or freezing, which ideal for muscle discomfort, arthritis and sports injuries. 3Widely Use: Hot cold gel pack adopted hook and loop fastener design, can be wrapped around the knee, or with extra elastic for the shoulders, neck, abdomen, back, ankles, etc. 4Reusable and Durable: Hot cold gel pack is reusable to withstand frequent use, allowing you to use it multiple times for long lasting discomfort relief. 5Excellent PVC: Gel ice pack exterior is made of PVC material, adopted double compression to ensure safety, reuse and no leakage. Both sides can be used selectively.