Quantity:20 PCS/50 PCS/100 PCS per set Size: approx. 16mmx26mm Color: Total 23 colors, choose your color(for mixed color, all clasps were chose by randomly) Materials: plastic, metal please feel free to contact with me for large quantity Friendly Tips: The size is measured by hands, please allow minor error of measurement. Photo color might be a little different from the actual product due to color display of different monitors Bulk Assorted Color Large Spring Plastic Lobster Clasps, Choose Your Color, 16x26mm