Materials Palm: P.V.C embossed and 100% cotton lining; Back:100% polyester with a conductive carbon line every 10mm Properties :P.V.C Dotting palm with non-slip, elasticity, heat free ,durable Surface Resistively is 10 7&omega/SQ ,Used for Micro-electronics, Assembly, etc.Size :S,M,L,XLPacking :10pairs/p.p. bag:1000pairs/carton