Package Content -- 2 sets, totally 20pcs glass heart knit markers, size is about 0.87 inch(2.2cm) long, 5 colors, 4pcs/style. Besides, we use a separate ring to string each set of stitch markers together for gift packaging, it can be put on the hand for easy storage5 Colors Glass Charms -- There are dark blue, orange red, light yellow, clear AB, green 5 colors glass heart charms, each pendant is incredibly smooth and translucent, exquisitely beautiful, reflecting a slight glow in the light, making the perfect addition to your knitting work and craft projectsLobster Clasps Hook Locking -- Different from normal plastic ring stitch marks, these metal lock stitch markers combines with a tight lobster hook. With this features, you can tightly reposition, fix and mark the stitches easily, they won't fall off of your knitting positionSturdy and Easy to Use -- These knitting clasps are mainly made of quality alloy. It is sturdy enough and stays closed, easy to clasp closed and open. Smooth and no pointy edges, will hardly snag your yarn or works, keep locking on your knitting works securelyWide Application Range -- These locking stitch markers can be applied for knitting, crocheting, DIY crafts, scrapbooks, cloth clothes and so on, or hang them on keychains or other crafts, of course, you can also use them to make necklaces, bracelets, earrings or other beautiful jewelry