100% Genuine Cow Leather with a trendy double round circle buckleWidth of strap is 1.5" , Buckle dimension is 3.6" by 2.4"Black matched with matte silver finish hardwareBrown matched with antique brass finish hardwareBelt strap measurement from start of strap to middle hole:Size 30=30", Size 32=32", Size 34=34", Size 36=36", Size 38=38"From middle hole to tip end is 6" moreStrap has snaps so customer can switch for other buckle collection using same leather strap