keyboard: 1)applied for computers 2)water-resistance,flexible,foldable,dustproof,ect 3)enviromently protective ... requirements.Features: 1.with water-resistance,flexible,foldable,dustproof function,etc. 2.made in high grade silicone rubber material,enviromentally protective and ... processes as following: (1)naturally forming in the mold (2)sparying white coating ink on the surface first,the purpose ...