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 suitable for most types and shapes of carpets. Ideal for indoor and outdoor use. 2. Easy installation and removal - One side with adhesive is applied to the carpet and the other side adheres to the floor. To remove or clean, simply lift it slowly from the floor surface. 3. Washable and reusable - Non-slip carpet cushions are made of high-quality reusable PU gel with no odor. If dirty, wash the grippers with soap and water, then air dry. Leaves no residue on floors. 4. Safe for floors - Made of soft PU material that does not damage flooring. Adhesive surface leaves no residue when removed and works well on hard surfaces including tile, ceramic, hardwood, and laminate. 5. High-quality materials - Carpet grippers are made of PU elastomer, offering high temperature resistance, eco-friendly composition, no deformation, and easy recovery. If adhesion weakens due to dust, rinse with clean water and allow to dry completely to restore stickiness.