Quantity and Size: You will receive 50 glass table top anti slip pads, available in two different sizes: 25mm wide x 3mm thick and 20mm wide x 3mm thick, with 25 pieces of each size. Anti-Slip: These glass table top anti slip pads have strong adhesion and do not require adhesive, securely holding the glass in place on the table to prevent sliding on smooth surfaces. Easy to Use and Leaves No Marks: The transparent design of the glass table top bumpers makes them nearly invisible under the glass. The non-stick design makes them easy to install and remove without leaving any marks. Quality Material: Made of soft rubber material, the glass table top protector are lightweight, smooth, waterproof, impact-resistant, and not prone to breaking, ensuring long-term service. Wide Application: The clear bumpers for glass table tops are suitable for any smooth surface, such as glass, plastic, ceramic, hardwood, etc.; they can provide effective assistance for you.