Heat Apply Pocket Medium ·100% Polyvinylchloride (PVC) ·Hardwearing and weatherproof card holders ·One simple heat-seal operation to apply (170°C for 10-20 seconds) ·Holds card sizes up to 250 x 100 mm ·Can be cut in length to fit ·Ideal for high visibility coats and waistcoats ·Washable up to 60°C.