bbloop Pearl Snap Fasteners. 12 Count This package contains: 12 Buttons w/ outward prong, 12 Studs w/ raised inward ring, 24 Spiked ring sockets Clean finish, each snap uses 4 pieces (2 spiked sockets +1 front button +1back stud) Easy setting w/ hammer (NOT INCLUDED) 7/16" dia. Great for baby bibs, onesies, footsies but also repurposing and upcycling shirts, belts, dresses, sleeves, cuffs, collars TIP: before use, test on swatch of fabric, carefully think of how the snap fit together correctly by positioning all 4 parts 100% BBloop Satisfaction Guarantee