Premium silicone rubber window seal. Maximum resistance to wear and tear. Premium Silicone/EPDM rubber tape. Remains flexible from -40° F to 140° F. Self-adhesive. Also seals doors. Fits gap: 3/16" - 3/8". Indoor/outdoor use. Highly water resistant. Reduces noise. (2) 8.5' strips. Seals gaps against drafts, dirt, insects, water, light, smell, sound and vibrations. 3/8" X 3/8" X 17'.