High-Quality Rubber Material for Durability：Made from durable, high-quality rubber, these non-slip furniture pads are flexible, resilient, and resistant to wear and tear, ensuring long-lasting use. 2 Sizes: 8 x thin wedges 2~5mm in height, 8 x thick wedges 2~10mm in height, both are 5 cm in length and 3 cm in width. Different heights are suitable for different furniture. Stable and Non-Slip：Each fence wedges adopts a special sawtooth bevel design, which can significantly increase friction and ensure that the furniture is more stable and not easy to slide after placement. Whether it is a smooth floor or a rough surface, shims for levelling can provide excellent non-slip effect, allowing you to use it with peace of mind. Easy to Install：Using plastic wedges is very simple and convenient. Just insert the furniture levelers pads into the gap between the bottom of the furniture and the ground, without any tools or complicated installation steps. This plug-and-play design greatly saves your time and energy. Wide Application：These plastic shims designed for stabilize and level an uneven toilet or furniture, level the bookcases in your office, keep your kitchen table no more wobble, perfect for balancing any piece of furniture that may be tilting, such as doors, windows, table, sofa, etc.