Shipping Cases Now offers the SKB3R2727 roto military standard waterproof case which is 18" deep.  The dimensions of this Mil-Std. Case is 27" x 27" x 18" Base=14.5" Lid=3.5" Outer dims: 31.5x31x20.75. These cases are roto-molded with an ultra heavy duty design.  These new SKB cases are designed to meet the most demanding military specifications, they are roto-molded for strength and durability, airtight and water proof with solid stainless steel latches and hinges that will withstand the most demanding shipping conditions and they are padlock lockable.The 3R Mil-Std. Cases are molded of (LLDPE) polyethylene impact resistant / UV stabilized material and meet or exceed MIL-STD 810 and MIL-C-4150J specifications. The shipping cases are all available with an empty interior while some models are available with: cubed foam, layered foam, padded dividers, and a pull handle with wheels. Most models without a built-in pull handle or tow handle accommodate a field installable caster kit which is sold separately.  Select models are available with TSA recognized and accepted locking latches in place of stainless steel padlockable latches.