For soothing relief of pain, swelling doctor recommended therapy non-toxic and latex free for soothing relief of: chronic pain, pain after surgery, sprains, itching and burning, swelling, arthritis, fever. Maintains cold up to 8 hours for maximum relief. Flexible when frozen. Non-toxic and latex free doctor recommended therapy includes comfort wrap cold pack measures 12in x 6in 30 cm x 15 cm.