RED HEART-Boutique Sassy Lace Yarn. Sassy Lace is made of a sheer lace that has holes woven into the top edge so it can easily be knit or crocheted. Sassy Lace adds a romantic look to any outfit. Perfect for all knit and crochet projects. Weight category 6. Content 100 Nylon. Putup 27yds/24m.US9/5.5mm knitting needles. Suggested crochet hook size J10/6mm. Dyelotted we try but are not always able to match dyelots. Care Hand wash cold, dry flat, do not machine wash, do not bleach, do not iron, can be dry cleaned in solvent P. Imported.