This listing is for one metallic green stitch marker holder plus 12 metallic green bulb pin stitch markers as pictured. Buckle clasp is 22mm long with a 12mm swivel connector ring. Attached is a 25mm ring clasp. Both clasps have spring openings to make it easy to attach to a project bag or load stitch markers onto the ring. Bulb pins are 21mm long and 8mm at widest point. Great for knitting on 5mm and smaller needles, also terrific for crochet.