Package Include: You will receive 320pcs Double Cap Rivets(4 colors(Antique Bronze, Golden, Gunmetal, Platinum),80pcs/color) and 1pc Plastic Containers. Size Measurement: Cap: 4mm in diameter, 2.5mm thick, 1.8mm inner diameter; stud: 4mm in diameter, 4mm thick, pin: 1.8mm; Plastic bead containers: 7.4x7.2x1.7cm/2.9x2.8x0.7inch. Quality Material: Their double cap rivets are made of brass, the surface of it is electroplated, the electroplating process makes their surface smooth, light weight, small size, sturdy and not easy to fall off, can be used for a long time. Easy to Use: The installation method of the Tubular Round Cap Leather Rivets is very simple, you just need to punch a hole in the fabric where the rivet is installed, then push the tubular stud into the hole to connect the round cap and fix it with a hammer, so it is very convenient to use. Mini Double Cap Rivets: This Double Cap Rivets is a mini belt buckle for dolls, Can be to repair the dolls belt, clothes, shoes, backpack, but also as a shoe buckle and other buckle accessories, so this DIY Double Cap Rivets is a very practical product,you will have a lot of pleasant and beautiful use experience.