Check dimensions before purchase: they fit chair legs with length from 30mm to 35mm. Improved design: the felt to let your chair smoothly on the wooden/tile. Case silicone feet for the chair safely. They removed the need to use those little stickers. Both materials are strong and durable. Features: Material: Silicone Gel + Felt Shape: Square Chair Leg Length: From 1-1/8 to 1-3/8, or 3cm to 3.5cm. Weight: 10 g each Features: The felt to allow your chair to glide smoothly along the tiled/wooden floor. The silicone gel box for the safe feet chair. For chair legs with length of 1-1/8 to 1 3/8, or 3cm to 3.5cm. Both materials are strong and durable. Included: 24 x chairs/table for legs