Features: Not drilling designs, easy installation, protects the wall from damage, and ensures the safety of infants. Quality, wear-resistant and nonslip. Round designs, large load-bearing area, and no damage to the wall. Very suitable for use at doorways, corridors, and stairs, great for fixed retractable baby door. Suitable for various types of guardrail, stable, reliable, and durable. Specifications: Component: ABS, Rubber Color: White, Black (optional) Size: approx. 5x9cm/1.97x3.54inch Quantity: 4pcs/set Package Includes: 4Pcs/pack Baby Fence Wall Protectors note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.