... latest high quality imported environmental siliocne,100% of the notebook keyboard custom-made.Good abrasion resistance, high strengh rise not ... coated on clavier surface, do not affect any keyboard, 8, waterproof, dustproof, never worry for water, coke, coffee, dust and ash, ... . 13, 3D design, when using, without moving, can completely close post lumped together in the surface of the keyboard does not ...