The surface of this knitting needle rings is smooth, made of ABS materials, safe and durable, can better help you proceed comfortable and satisfying weaving for a long time without hurting your hands. Can be widely used for knitting, weaving, crocheting, arts, craft projects, fabric clothes and so on, bring you much more convenience. Features - Color: Random color. - Material: ABS. - Size L: 1.40X1.40X0.20cm/ 0.55X0.55X0.08inch. - Size : 1.20X1.20X0.20cm/ 0.47X0.47X0.08inch. - Size S: 1.00X1.00X0.20cm/ 0.39X0.39X0.08inch. - Rings markers are made of ABS materials, easily slips over needles during knitting. - Colored design, obvious enough, you can find it quickly when having knitting work. - Can be widely applied for knitting, weaving, crocheting, arts, craft projects, fabric clothes. - Compact size, easy to use, take and store, you can use it anytime, anywhere to meet your needs. - Stitch markers rings are the proper choice for knitting, stitching, DIY, or crocheting lover. It is a good helper for crafting fun. Package list: 150 x knitting needle clips(Large Size) 150 x knitting needle clips(Medium Size) 150 x knitting needle clips(Small Size)