The WOOSTER™ Wooster Wool™ paint roller cover features the finest quality, 100% natural shearling hand sewn with natural pelt. Very dense and soft to roll out the fastest, most uniform finish. Use roller for all paints, including latex, alkyds, enamels, and urethanes. Thick phenolic core resists water and solvents. Note: Use with paint roller frames, Nos. 3UW50, 36T210, and 36T233 (sold separately), and paint trays, Nos. 3UW75, 14A047, and 36T231 (sold separately).