18" Shed Resistant 3/8"nap Roller Cover 12 Pieces with end capsLike all our roller covers, these are Made In The USA! We've examined many imported brands and none of them came close to the level of quality and durability you'll find in ours. The first time you put them to use, we're confident you'll come to the same conclusion. Perfect for epoxy and urethane coatings. INCLUDES 2 END CAPS FOR EACH ROLLER Double layered polypropylene core that's 1 1 2" diameter. Nap is fused to the core. Solvent Resistant