These premium Matte Frost GBC plastic comb binding spines are the highest quality binding combs on the market and are fully compatible with all comb binding machines and are perfect for almost any application. The subtle matte finish is designed to blend in with documents and will let your work speak for itself. MyBinding.com also carries this new line of GBC Matte combs in Black, as well as GBC's line of Gel Combs in both Steel Blue and Amber, in addition to the full line of GBC / Ibico Premium CombBind plastic comb binding supplies.