Furniture stability and leveling: These plastic shims are designed to stabilize and level sofas, tables, and bookcases, helping to eliminate wobble and uneven height on various floor surfaces. Reusable and durable: Made from sturdy plastic, these shims provide long lasting durability and can bear substantial weight, offering reliable support for your furniture over time. Inclined anti slip design: The inclined trapezoid shape with an anti slip texture and a secure anti slip base delivers a stable, secure solution for balancing and fixing furniture, preventing shifting during use. Stackable for easy balancing: The stackable design lets you add multiple shims to reach the desired height, enabling precise balance and straightness for your furniture. Compact and storage friendly: The stackable construction keeps them compact for easy storage when not in use. Use scenarios In the living room on carpeted floors, place the shims under sofa legs to eliminate wobble and achieve a level seating surface. At a dining or work area with uneven hardwood or tile floors, use the shims under table or desk legs to stop tilting and improve stability during use. For bookcases or cabinets on uneven surfaces, stack and position the shims under the legs to ensure level shelves and prevent tipping.