Made from Tyvek fabric, these protective oversleeves repel water-based liquids and aerosols, while remaining permeable to air and water vapour to make them breathable and Comfortable to wear. Elasticated ends and adjustable arm openings ensure a good fit, while the internal seams reduce the risk of contaminating sensitive processes or workplaces with stitching yarn. The upper arm has blue-coloured thread to allow for easy identification of the uppermost end.