Check the listing for details. ENGO Rectangle Blister Patches. Color: Blue, Condition: New. Suitable for Running & Jogging. Listed at 12.49 USD. ENGO Rectangle Blister Patches ENGO Rectangles are 2.75 x 3.75 inches, and can help treat hot-spots, plantar ulcers, and blisters and are a great addition to a team bag or athletic trainer's kit. The Rectangle Blisters provide relief from blisters, rubbing and calluses. The rectangles can be used on the hands, feet, shins, forehead or face! Convenient and easy to use, simply apply ENGO patches to footwear, insoles, or athletic equipment, and the long-lasting, low-friction ENGO surface will do the rest! Provides relief from rubbing, calluses and blisters Can be used on the feet, hands, forehead, shins and face Comfortably worn in boots, shoes, cleats, skates and much more Choose from a 2-Pack or a value pack of 15. Dimensions: 2.75 x 3.75 Items ship on the next business day after cleared payment is received. Business days do not include Saturday, Sunday or Holidays.