Hot Packs: used to increase blood flow to the area of application, helping to relax muscles, get pain relief and relieve aches.
Cold packs: used to decrease blood low, helping to reduce swelling, cool sunburn and promote healing.
Weight of Beads: 7oz (210g).
Size: 11 x 6½" (28 x 17cm).
Outer Material: PVC
Filling: Glycerin, Sodium Polyacrylate, Sobitol, Water
Warning - Pack should not be used by people with poor circulation, diabetes, nerve damage, paralysis or other conditions of skin insensitivity.