Compliment your tool collection with the 2 PC. 4"-7" Buffing and Polishing Bonnets. The included synthetic wool and microfiber bonnets are ideal for applying and removing waxes and compounds. The elastic bands in the bonnets allows for the bonnets to fit securely on any 4" to 7" buffers. This set includes (1) Microfiber Bonnet and (1) Synthetic Wool Bonnet.