Reflective Halloween Costumes Create reflective Halloween costumes with the help of Sulky CRY® Reflective Thread. CRY stands for Coated Reflective yarn. This thread is 30 wt. and reflects light, making you more visible when walking at night, especially important for young trick-or-treaters. If making a costume from scratch, use CRY for topstitching, hems and to outlining details. If using a store-bought costume, follow existing stitching with CRY to create reflective Halloween costumes. Use a size 90/14 Top Stitch needle for best results. If working with knit or stretchy fabrics, use a 90/14 Jersey needle and a stretch stitch to ensure the fabric moves as intended. Don’t topstitch over high-stress areas,…