Made from nitrile rubber. The product is flexible and durable, protecting the userâs hands from unwanted or dangerous substances. Quality standard: ASTM D6319 EN 455 -1/2/3/4; ISO 13485:2016, CE â Material: Nitrile rubber â Color: BLUE & WHITE â Size: XS, S, M, L, XL Length (mm) 220 min (XS, S)230 min (M, L, XL)