Karbon Kozane S Series Case for Samsung GS4-Black/Red Just 0.7mm thin The Karbon Kozane S Series is a sleek snap case specially made to fit the Samsung Galaxy S4. Visibly lined with official DupontTM Kevlar Incredible strength and resiliency in a lightweight design. Five-layer Evutouch Coating for exceptionally easy-to-grip, scratch-resistant protection.