NEWGO Bundle of Ice Bag 11 Inch and Back Refillable Ice Bag

No Leakage and Large Mouth Design - The outside material of the ice bag (11inch) is made from waterproof fabric and inside is insulated which makes the ice bag won't drip or leak. The large mouth design for eady filling of ice cubes or crushed ice.
Instant Pain Relief and Stay Cold Longer - The application of cold therapy of this ice bag helps to restricts the blood flow to reduce swelling or inflammation and easy pain from wisdom teeth removal, headaches, sore jaw, throbbing, tore muscles. Stays cold much longer than gel packs or other cold packs. Suitable for sport injury and first aid.
Cold or Hot Therapy – For cold therapy, simply fill the ice bag two third full with ice and water for better fitting to relieve discomfort from headaches, bruises, migraines, muscle aches and swelling. For hot therapy, inject into the warm water (not boiling, Notice: The temperature for warm water therapy is 50-60℃/122℉-140℉.) to help soothe an upset stomach, migraine, sinus and joint pain.
Instant Cold Relief With Refillable Design - The ice pack for back pain relief is uniquely designed with refillable ice bag, and features instant use and instant recharge of coldness to provide instant relief and continuous cold therapy from lower lumbar, sciatic nerve, herniated or degenerative disc, coccyx, tailbone pain and accelerate recovery from back surgery.
Stay Cold Longer and Stay Dry - The gel ice pack back wrap fill with ice cubes or crushed ice remains cold up to 4 hours and without condensation during cold treatment.NEWGO back ice wrap not only stay cold much longer than the traditional lower back wrap styles but more durable due to built with three layers construction include anti-condensation outer fabric, leak-resistant middle pvc layer and skin friendly innder layer to ensure ice bag stay cold and dry.