Detailed Product Description Main Features: 1.Size: 135x88x12mm2.Weight: 90g3.2 port USB V2.0 HUB4.Made of silicone, enviroment protective;5.Waterproof, washable, portable, dustproof;6.Noiseless typing;7.Retractable USB cable, compatible with any laptop.Packing style: PVC suck cardQTY: 100 PCSN.W.: 12.0 KGSG.W.: 13.5 KGSMEAS: 45X35X26 CMS