Composite wedges shims levelers stabilize and level a wide variety of furniture, including bookcases, sofas, tables, and more. Durable reusable material: Made of sturdy plastic, these furniture shims withstand pressure and are longlasting, capable of bearing a significant amount of weight. Inclined antislip design: The inclined trapezoid shape with an antislip texture on the surface provides firm balancing and fixes the furniture, improving stability and preventing slipping or sliding. Stackable for easy balancing: The plastic shims can be stacked together to achieve a balanced and straight furniture placement. Compatibility and performance: Suitable for a wide range of furniture types on various floors, delivering reliable stabilization and leveling in everyday use. Use scenarios: Living room: level a wobbling sofa on an uneven floor for a secure, steady seat. Home office or study: level a desk or bookshelf on an irregular surface to ensure a flat, stable work area. Dining or entry area: level a table or cabinet on tile or hardwood floors to prevent movement and maintain alignment.