Colder For Longer: Reusable ice packs for injuries with proprietary gel interior that stays Colder for Longer. Gel ice packs reusable that make an idea cooling pad. More Flexible: Includes gel interior that remains pliable when frozen. Makes a great wisdom teeth ice pack head wrap or elbow ice pack. Helps muscle recovery for knees, back, shoulders, hip, or neck. Alternative to Hot packs for pain relief : Used by thousands of physical therapists and medical pros for acute and chronic muscle pain, arthritis, inflammation, swelling, and menopause hot flashes. Premium Construction – Each gel cold pack compress is built with double-sealed seams to prevent leaking; with extra thick nylon exterior making them the ideal large ice packs for injuries reusable. Fast Pain Relief – for anywhere you need an icing compress. Can aid plantar fasciitis, rotator cuff, perineal, hip replacement, pregnancy, hysterectomy, sinus, sciatic nerve, shin splints, vasectomy.