Feature: 1. Stackable: Provides the perfect height with stackable options, you can also put them together for even higher heights. There are 4pcs in a total set. 2. Widely Use: When you need extra space under sofa, table, chair, cabinet, armchair or anything else, you can use them; they are easy to use, fold and store when not needed. 3. Provide Protection for Children: The increased height allows more dust free, and the smoother corners can effectively prevent the family, especially children's collision. 4. Upgraded Material: Made from high strength upgraded rubber, these furniture bed risers are extremely durable and can easily support the bed, the non slip rubber pads placed on the furniture legs greatly prevent it from sliding. 5. Practical Functions: Greatly increases more space under the bed, you can get more space for your bed for storage. And the increased height allows the robot vacuum to enter easily for cleaning. Specification: Item Type: Bed and Furniture Raisers Set Material: Rubber Gross Weight: 1489g / 52.5oz Package List: 4 x Sofa Foot Pad(12 Accessories in Total)