4-1/8 inch x 3-3/8 inch. Designed to stay on all day! Provides all-day relief of painful corns, calluses & tender spots. Extra soft, dual-layer padding protects any part of the foot. Can be cut to any size. Extra soft cotton & foam padding cushions & protects calluses, bunions & sensitive heels from painful shoe pressure & friction. Helps prevent blisters. Self-stick adhesive holds padding in place. Won't catch on hosiery. drscholls.com.