Heavyweight Polyester Single-Sided Iron-On Interfacing - White - 50cm x 100cm. This heavyweight single-sided polyester interfacing offers durable support for all your tailoring and craft needs. Perfect for stabilising thick fabrics and adding firmness to collars, cuffs, and bags. Simply iron to fuse, creating a smooth, strong bond that enhances quality and longevity. Shop the complete Interfacing collection now and Earn Loyalty Reward Points on all purchases. FREE Delivery options also available.