ALL-RUBBER CHANNELS with FLOCKED OR COATED LININGSEach Channel is 96 in Length / SOLD as EACHExtremely Flexible and fits Channels that are 1/2″ Wide and 1/2″ Tall with 3/16″ to 7/32″ GlassThe Best Universal Weatherstrip construction in the industry!Millions of fibers are electrostatically positioned and driven into a polyurethane adhesive on a section made of live rubber,and then cured in place. The resulting channel has a soft, dense lining and provides flexibility, low friction and long life!Made in the U.S.A.