Easily decorate-able arm bands with great colour choices. Hi Vis Yellow & Orange are made of EN ISO20471: 2013 compliant fabric. Made of durable 300D waterproof bright colours fabric. Fitted with strong 10cm long adjustable hook and loop fastening. Sold in packs of 20. 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.