Detailed Product Description Main Features: 1.Made of silicone, enviroment protective;2.Waterproof, washable, portable, dustproof;3.Noiseless typing;4.Retractable USB cable, compatible with any laptop.5.Size: 132 x 92 x 9mm / 70g Certificate: CE,FCC,RoHSPacking style: blister packing.QTY: 100 PCSN.W.: 10.0 KGSG.W.: 11.5 KGSMEAS: 45X32X26 CMS