White Leather Buckle Assortment for Leather Straps The vast majority of leather bands are supplied with yellow buckles. This handy, cost effective assortment allows you to quickly change a yellow buckle for a white buckle when selling a leather band. This complete assortment consists of 3 of each 6 mm, 8 mm,10 mm, 12 mm,14 mm,16 mm and 18 mm white buckles for a total of 21 pieces, organized in a hinged compartment box. These leather strap buckles are not stainless steel. Refills are available.