Suncast 73-Gallon Outdoor Storage Box for $64.99 after code SDEALS817. Select in-store pickup to save on shipping as it appears to be available at most locations. This storage box/deck bench has a stay-dry design with 73-gallon capacity, carrying handles and wheels for better portability. No tool is needed for assembly. The exterior dimensions are 46″ x 22″ 23″ and the Interior dimensions are 42″ x 19½” x 21″. Most places have it for $94 or more.