Material: PU Size: 135 * 25mm, 180 * 30mm Thickness: 2mm Style 1: 8 pieces 130mm * 25mm * 2mm (white), 8 pieces 180mm * 30mm * 2mm (black) Style 2: 8 pieces 130mm * 25mm * 2mm (black), 8 pieces 180mm * 30mm * 2mm (white) Package includes 16 pieces of non-slip solid patch for trapezoidal carpet 1. Select 2 sizes - Carpet stoppers have two different sizes: 130 * 25mm (8 pieces) and 180 * 30mm (8 pieces). Both are 2mm thick and are suitable for almost all types and shapes of carpets. Perfect for indoor and outdoor use. 2. Easy installation and removal - One side of the paper protective film is removed to adhere to the carpet. The other side is applied to the floor. To remove or clean, simply lift it slowly from the floor. 3. Washable and reusable - Non-slip carpet cushions are made of high-quality reusable PU gel with no odor. If dirty, wash the carpet grippers with soap and water and allow to air dry. Leaves no residue on floors. 4. Safe for floors - Carpet grippers are made of soft PU material that does not damage flooring. The adhesive surface leaves no residue when removed and works well on hard floors including tile, ceramic, hardwood, and laminate. 5. High-quality materials - Carpet grippers are made of PU elastomer, offering high temperature resistance, eco-friendliness, no deformation, and easy recovery. If the adhesion weakens due to dust, rinse with clean water and let dry to restore stickiness.