To Warm Cold Feet, The Foot Warmers Fit Comfortably In Shoes Or Boots For Up To 6 Hours Of 110? F Of Warmth. 2 1/4" X 4". Two Per Package. Toasti Toes With Adhesive Stick Under Your Toes And Give Up To 9 Hrs Of Warmth.table.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; }