Innovative materials are designed to deliver improved protection, transport and access to your equipment. HPRC cases utilize high performance resins that allow this case to be lighter in weight and stronger in robustness. A special mix allows the walls of the case to be more elastic and thinner, increasing shockproof capabilities. The ultralight hard case shell is acid proof, scratchproof and able to resist extreme weather conditions and temperature changes. Interior dimensions 14.76" x 10.43" x 5.98" External Dimensions 15.94" x 12.99" x 6.50".