Create t-shirt quilts, memory quilts, college quilts and more using this cotton interfacing that fuses easily to knit shirts, sweatshirts and jerseys. Just use an iron on high heat setting without steam, with a pressing paper between your ironing surface and fabric, to adhere the interfacing to your fabric so that pieces don't curl or stretch while you sew.Details: White 14" x 25 ft. (35.5 cm x 7.62 m) piece size4 pieces Each piece makes up to 20 finished blocks (12" x 12"/30.5 cm x 30.5 cm) Iron-on application (iron sold separately) Pre-shrunk Full instructions included on packaging Cotton woven fusible interfacingMachine washable and dry cleanable