... waterproof and dustproof USB interface silicone flexible keyboard with 110 keys1.Material:High quality silicon,Waterproof and dust-free2 ... .4.fast delivery5. convenience,safety,fashion,cheap! Specification 110 keys silicone keyboard, foldable, waterproof and dustproof USB flexible ... 490 x 138 mm . Package Includes 1 Piece X 110 keys silicone keyboard, foldable, waterproof and dustproof USB flexible ...