Hardwearing and weatherproof Heat Seal Card Holders. One simple heat-seal operation to apply (130°C for 10 seconds). ID04 holds card sizes up to 85mm (L) x 55mm (W) (credit card size). ID05 holds card sizes up to 250mm (L) x 100mm (W). ID06 holds card sizes up to 300mm (L) x 100mm (W). Ideal for high visibility coats and waistcoats etc.. Washable at max. 60°C. Sold in packs of 50. Washing Instructions Maximum washing temperature 40 ºC. Normal process.Do not bleach. Do not iron. Do not tumble dry. Do not dry clean. No industrial laundering. 25 max. wash cyclye.