The Addi ToGo heart-shaped stitch holders ensure that your stitches stay on your knitting needles! They are ideal for use with circular knitting needles, sock needles as well as standard knitting needles. These adorable red hearts are especially suited to knitting on-the-go! Each pack contains 10 stoppers for needle sizes ranging 1.50-5.00mm or 5.50-10.00mm.