These flexible, soft, snag free silicone stitch markers are perfect for all you knitting projects. The ultimate in fun and colorful knitting accessories. The Medium size will easily fit up to a size US 10 (6.0mm) needle. Shown on a US 10 (6.00mm) needle.Set of 25 stitch markers in your choice of 5 neon colors and glow in the dark (color may vary slightly from shown).Stitch markers come packaged in a window tin perfect to carry with you.Note: Glow in the dark has a very short glow time. Silicone can be a bit grabby on some needle finishes. Larger, loose markers will slide better than those close to the needle size.