Grabber Foot Warmers - 5 Plus Hour - Box of 30 Pair - M/L HEAT RELIEF DEPOT GUARANTEES YOU FRESH STOCK WITH LONG EXPIRATION DATES! M/L Fits Shoe Size: Women: 9+, Men: 8+. 30 Pair Per box Avg. Temp: 95 degree F, Max Temp: 102 degree F Provides penetrating warmth for cold or aching feet Size: 3.5 inches x 10" inches