(3 Packs Included): Contains (2) 4.5 x 7 packs & (1) 3 x 6 pack * Pain Areas: Ankle Elbow Foot * Convenient size for many uses either alone or to rotate as a refill in our wrap systems for continuous uninterrupted cold therapy * Refill for Model 514 (10078G) * Ice-It Cold Packs freeze in just 20 minutes and can be used again and again * They are filled with nontoxic material inside latex-free vinyl that maintains its pliability even when fully frozen