Hamanaka Craft & Hand Knitting Knit Rings. These rings create beautiful centers for crochet motifs. Made of polyethylene, they are washable and dry-cleanable. Size: Outer diameter 21mm, Thickness 0.8mm Remaining quantity: 198 pieces *Originally 100 pieces per bag, but a few were used, so the quantity was counted. [Product Description] Made of polyethylene resin (soft), it is water-resistant and suitable for washing and dry cleaning. Lightweight, needles won't snag, and the moderate stiffness makes it easy to knit. You can create fabric like motif joins without cutting the yarn, saving time and effort for finishing. Unlike making a ring with just yarn, you can create beautiful, high-quality knitted fabric with a ring shape. Please purchase if you don't mind items stored at home.