The 1770 Long Case is watertight, crushproof, and dust proof. The four extra-deep base-to-lid locking cleats ensure maximum stacking stability. Features include two Integrated automatic pressure equalization valves, a 4-piece foam set, two rugged double-wide handles, 6 easy open double throw latches, O-ring seal, wide-track polyurethane wheels with ball bearings and nylon hubs, open cell core, polymer wall construction, stainless steel hardware and padlock protectors. Lifetime Guarantee of Excellence. Exterior Dimensions: (L x W x D) 57.42" x 18.48" x 11.23" Interior Dimensions: (L x W x D) 54.58" x 15.58" x 8.63" Lid Depth: 1.88" Bottom Depth: 6.75" Total Depth: 8.63" Weight with foam: 36 lbs. Weight without foam: 29 lbs. Buoyancy Max: 280 lbs. Ships at dimensional weight. An additional $15 will be added to shipping.