Prym's stitch markers are small clips for marking stitches that are perfect for keeping track of your stitches while knitting. These plastic clips are easy to attatch to the stitch and enable you to easily count rows and stitches. These stitch markers can be used for all knitting or sewing patterns and they are just as easily removed when you are finished. Package contains 21 clips in three colors (blue, white, red). They are suitable for yarn thicknesses from 2-8.