Water-resistant O-ring seal; Carries well over 30 pounds of gear; Thick side-wall construction with rainforced base; Strong comfortable handle for heavy loads; Heavy duty latch; Double padlock tabbed; Stackable; Inside space of 707 cubic inches; Inside Dimensions: 7.3"(L) x 12.5"(W) x 7.3"(H); Outside Dimensions: 9.3"(L) x 15.3"(W) x 8.8"(H)