3/8"W x 1/4"H x 17'L, Black, D-Section, Self Adhesive, Sub Zero Premium Weather Strip, 100% Cellular Rubber Edmo, Provides A Superior Seal Against Air & Moisture, Remains Flexible To - 40 Degrees Fahrenheit, Will Not Harden, Crack Or Freeze, Even At 40 Degrees Below Zero, High Compression Will Spring Back To Shape Even After Long Exposure To Subfreezing Conditions.