The NI Kontrol S4 and S4 MK2 Smoked Clear Cover by Decksaver is specifically designed to fit and protect the NI Kontrol S4 and S4 MK2. Made from strong polycarbonate, a durable plastic used in bullet proof glass, the cover provides solid protection from dust, smoke, and liquids often encountered in any club environment. Inherent qualities of the polycarbonate material make the cover impact and scratch resistant.