M-D 17-ft x 3/8-in White Window Seal Rubber Window Weatherstrip

Silicone rubber tape seals one regular size window or door. Fills ex-large gaps up to 3/8-in high. Easy to install - just peel and stick. 3/8-in H x 3/8-in W x 17-ft L. Remains flexible from -40 to 140 degree F. Also seals doors. Superior weather tight seal for windows in all climates. Lifetime guarantee.