General description These 15 Pack Felt Caster Cups are designed to protect your hard surfaces from scratches and scuffs caused by daily use and movement of furniture. They are suitable for hardwood floors, ceramic tile, and linoleum, effectively reducing friction and preventing damage. Technical specifications Dimensions: 3.1 x 2.8 x 0.6 inches Inner size: 2.1 x 1.3 inches Depth: 0.3 inches Compatibility and accessories Fits most furniture wheels including beds, sofas, chairs, couches, recliners, desks, tables, dressers, and bed frames.