The standard SKB 3i-4217-TKBD iSeries 61-Note Keyboard Case is constructed from an injected mold of ultra-high-strength polypropylene copolymer resin and features a gasket seal, making it waterproof and resistant to UV, solvents, corrosion, fungus, and impacts. The military-grade case features a fully customizable Think Tank-designed interior with a total of 16 repositionable, hook-and-loop-covered foam pads in four sizes to ensure a snug, customizable fit. The exterior features a molded-in hinge, patented trigger-release latch system, comfortable snap-down rubber-over-molded cushion grip handles, and an automatic pressure-equalization valve. Additionally, two integrated wheels are provided for ease in transport.