Pellon , a well known name in the sewing industry, has developed this Tracing Material to aid you in designing, copying, altering, and scaling sewing patterns. Can be used for other pattern uses besides sewing. Red Dot 45" 25yd- With Red dots placed at 1" intervals, to create a grid-like pattern, you"ll have automatic reference points. 100% polyester, machine wash cold, delicate cycle and dry on low heat. Not to be used for interfacing.