Fashion Round Bottom Round Opening 3.5cm Dia #2 Caliber Transparent Silicone Gel Round Chair Leg Caps Feet Pads Furniture Table Covers Wood Floor Protectors Pack Of 8 Furniture Feet Protector Pads Chair Leg Tip Cover Leg Caps Bottom diameter: 3.5cm approx, Height: 4cm approx The silicone gel box grips the chair feet securely. Both material are durable and sturdy. Note: The real item may look smaller than that in the pictures. Please make sure it matches your chair leg before you make the order.