Bullet Points:1, Prevent Scratches: Use these furniture coasters to reduce friction when moving furniture and protect your wooden, ceramic, tile, linoleum and all other hard surfaces from unsightly scratches.2, Groove Design: The grooves precisely attach the legs to the furniture, making the zipper and furniture feet fit better, scientifically reducing the possibility of falling and increasing the service life. The inner groove size is 2.52*1.97*0.59 in/64*50*15mm.3, Easy to install: just put the product under the four wheels of the furniture, it can effectively fix the furniture or bed without moving, so that the installation will not affect cleaning measures such as dust removal.4, Durable material: Plug cups are made of ABS, no smell volatilization, durable material, widely used in hardwood, ceramics, tiles and any hard floor.5、100% Risk-Free Purchase: committed to providing our customers with high-quality products and a wonderful shopping experience. If you encounter any problems or are not satisfied in any way, please send us, we will provide a great solution, and all problems will be solved within 24 hours. Description: Widely used: These furniture cups protect floor surfaces from wrinkling in your bedroom or home furnishings. Safe and effective for any floor, such as hardwood, linoleum, laminate, tile, carpet, etc. Specification:Name: Parking StopMaterial: ABSColor: BlackExternal Dimensions: 3.15*3.15*0.79 inch/80*80*20mm Groove Size: 2.52*1.97*0.59"/64*50*15mmPacking List:Parking Stop*4