... 10-20days usuallyMaterial Made by high-quality silicone,the keyboard has no poisonous and foul smell,according to the ... dust fog and even in sandstorm.Carrying convenienceThe keyboard can be rolled-up, to save space while carrying. gift keyboardKeyboard ... keys Color: black, gray, blue, red, pink, green, apple green, purple, yellow, orange, white, customers can specify which color to produce . Keyboard ...