A 100% cotton fusible woven interfacing with the heft and breathability only natural fiber delivers. Form-Flex is the choice when you want medium-weight structure that holds up to commercial laundering — which is why it's specified for uniform shirts, tailored shirting, and collars and cuffs that need to look crisp wash after wash.A natural-fiber alternative to Pellon-style shirt fusibles, with the breathability and durability only cotton uniquely delivers.Ideal for: Dress shirt and uniform shirt collars, cuffs, and plackets Waistbands and structural seams Lightweight to mid-weight wovens needing firm shape Any project where you want cotton-on-cotton hand How to fuse: Iron on cotton/wool setting with steam. Place adhesive side down on the wrong side of fabric. Press firmly 10–15 seconds, lift and repeat — do not slide. Test on a scrap first.Specifications: Fiber: 100% cotton Type: Fusible woven, durable press Weight: Medium Width: 22 inches Bolt length: 35 yards Colors: White, Black SKUs: 1010-1 (White), 1010-2 (Black) Sold by the bolt. Wholesale and trade pricing available — contact us for an account.