M-D All-Climate EPDM "D" Profile weatherstrip is a durable Silicone/EPDM ThermalBlend rubber that stays flexible in cold or hot temperatures. Self-adhesive for easy installation. It is 5/16" Thick x 11/32" Wide x 17' Long and is designed for Large gaps. This high performance EPDM rubber blend provides a superior seal to block out moisture and air around doors and windows. Remains flexible from -40° to 140° Fahrenheit, guaranteed to remain flexible for 10 years. 63602, Brown, 5/16"T x 11/32"W 17'L.