Circular design for more area space Anti-slip effect for almost any surface Easily stackable to fix any wobbly furniture 3 3/4" Wedges Specialized polymer material for firm hold BEST Wobbly Table Fix Table Leg Levelers - EXCELLENT ANTI-SLIP EFFECT: Plastic pad shims for leveling on any surface. These table shims are designed with grooved bottom surface, make it hold the furniture firmly in place, prevent them slipping or sliding. - TOUGH AND DURABLE: Stable Table shims made from custom hybrid PVC plastic will hold up almost any construction project without fail. Perfect furniture levelers, toilet shims, fountain shims, aquarium, pool table, and more. - MOST RELIABLE: Perfect for outdoor sidewalk restaurant and cafe tables. Just wedge it for suddenly level tables.Stable Table's non slip material make them soft but sturdy. They stabilize and prevent chairs and tables from tipping over. - SECURELY-STACKABLE: Stable Table table levelers can be stacked together to create a higher wedge if necessary. These shims make leveling doors, dressers, appliances, windows, plumbing fixtures, cabinets, playhouses, sheds, deck & mailbox posts a breeze. - ANY PROJECT: Stable Table wedge shims can squeeze in tight gaps because they are so flexible. These wedges are great for use as plumbing shims as well. Perfect for home use, construction and restaurant supply.