Features:* A thin interface layer to protect and increase the life of the pads.* A soft interface pad that helps provide a cushion between the sandpaper and the sander, protecting the sanding disc.* Helps you not to remove too much material from corners or high points when sanding and is perfect for for finishing sanding.* Good for curved and irregular surfaces... Specification:* Material: Sponge* Color: Black* Diameter: 6 inch/150mm (Approx.)* Thickness: 3mm (Approx.)* Quantity: 1pcs Package includes :1*Protective Shield Note:1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.2. Please allow slight manual measurement deviation for the data.