Each package contains two pairs of shoes of the same color. Please email us if you want shoes of different colors.DescriptionYUCHENGTECH ESD Shoes, made of canvas and PU material.áThe fabric of the upper and the insole are evenly mixed with the Conductive fibers.Vamp and sole are made of anti-static material to ensure constant drainage of static charges from the body to ground.Suitable for pharmaceutical, electronics factory, laboratory, food processing, dust-free clean workshop and more.Features: Anti-static, soft and comfortable, durableParameter: Material of shoe sole: PUResistance of the sole: 108-9 ?Shoe size: 5.5-9 for US womenColor: blue / whiteSize Type: RegularPackage include: 2 Pair of ShoesInstructions:Anti-static shoes can eliminate the accumulation of static electricity in human body and prevent electric shock below 250V.When wearing antistatic shoes, insulated woolen stockings and insulated insoles should not be worn at the same time.The place where antistatic shoes are used should be the conductive ground.Anti-static shoes should be used with anti-static clothing.Kind reminding: please dont use the anti-static shoes as insulated shoes.