... Rohs... 4)N.W:250G 109Keys soft,waterproof silicone computer keyboardsmaterialuse100% silicone made, ECO-friendly,insipidity,avirulentcetificatePASS ,SGS ... EU -standars.usagewindely use all of kinds desktop computer.featurewater-resistant,long-lasting,actuation force flexibility,and improve ... timessample times3daysdesignaccording clinet's require to design,add client's logo. SIZE:492*138*6.5MM welcome ...