Yarn Grading: I often check with grading specs, which involve the diameter and uniformity of yarn strands. A regular diameter provides greater appearance and effectiveness of fabrics. Elasticity,toughness,breathability,flexibility,shape retention,very good dyeability,light-weight By clicking “Accept All Cookies”, you conform to the storing of cookies on the product to boost webs... https://zionpuvwx.bloggerbags.com/37002948/how-much-you-need-to-expect-you-ll-pay-for-a-good-covered-spandex-yarn