Material: stainless steel Color: rainbow. Sizes from 17.3mm to 21.4mm (inner diameter). Packaging: Packed in paper box with window Keep track of your knitting or crochet work with our hypoallergenic stainless steel ring row-counter in a rainbow hued metallic finish. Must-have accessory for every knitter! Keep track of your knitting or crochet work with our hypoallergenic stainless steel ring row-counter in a rainbow hued metallic finish.