The Glass Wizard Extra Bonnets GW-ERB includes:2- Microfiber Bonnets that clean better than ordinary cloths with just water, and are reversible, washable, and reusable over and over again. This is an excellent way to thoroughly clean your glass, especially the hard to reach corners. Use a fresh Microfiber Bonnet for solid contact and maximum cleaning power. 1- Mesh Grime Buster Bonnet for cleaning bugs and removing rough dirt, grime, ​and scum. Fits the Glass Wizard Microfiber Bonnets that clean better than ordinary cloths with just water, and are reversible, washable, and reusable over and over again Mesh Grime Buster Bonnet...