The Frost King V25BK 5/16 in. x 1/4 in. x 17 ft. Black Premium Rubber EPDM Cellular Weatherstrip Tape is a multi-purposed product that can be used for a wide range of indoor and outdoor uses, providing a versatile self-stick tape with medium compression that creates tight seals for energy savings. It will not harden, crack, or freeze at temperatures as cold as -40°. It is a high compression product which will spring back to shape even after long exposure to sub-freezing conditions. It is guaranteed for 10 years. Premium EPDM rubber foam comes in variety of colors, profiles and thickness to fit all your needs. Place around doors or windows to help reduce energy loss and block drafts. Easy DIY Home Installation. Great Weatherization item. Saves money. Saves energy.