The HypaPlast Blue Catering Plasters are brightly-coloured wash proof plasters designed for use in food-handling environments.Supplied in a pack of 100 7.2cm x 2.5cm plasters.HypaPlast Blue Plasters are specially designed for use in the food industry.These plaster's blue colouring allows them to be easily spotted if they fall into food aiding in compliance with hygiene laws.They are also wash proof meaning they are suitable for workers who wash their hands regularly.Note that they will not withstand prolonged complete immersion in water.