Features: Fireproofs Spacer for Enhanced Safety Specifically designed to prevent direct contact between heaters and wall, this 5mm acrylic wall shims effectively reduces fire risks while maintaining a 0.3 inch protective gaps for year round home safety. Durability 5mm Acrylic Construction Crafted from high strength, heat resistant transparents materials that withstands prolonged exposure to temperatures up to 176°F (80°C) without warping or discoloration. Ideal for Safety Conscious Homeowners Perfect for families, renters, and property managers seeking reliability furniture protecting solution that blend seamlessly with modern interiors. Multiple Surfaces Application Securely positions sofas, beds, and heavy furniture against wall in living rooms, bedrooms, or offices while preventing scuffs on both furniture and wall surfaces. Universals Transparents Design clear acrylic shims maintain interior aesthetics across all décor styles, functioning as invisible safeguards for drywalls, plaster, and paneled surfaces alike. Specifications: Color:Three Choices Dimension:10.1×23cm/3.98×9.06in Component:acrylic Package Includes: 4pcs wall gaskets note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.