Gumdrop Cases DropTech Protection Case for The Samsung Galaxy Tab S4 10. 5 inch. Shock absorption, drop protection, extreme ruggedness and hard-core readiness for all adventures. The DropTech Series Case for the Samsung Galaxy Tab S4 specifically conforms to the shape of the 10. 5" Samsung Tab S4 and offers multi-layer protection, making it one of toughest and most durable Galaxy Tab S4 cases on the market.