A diaper kit includes a packaged single-use disposable diaper comprising, a sealed substantially air impermeable encasement completely enclosing an interior space and having at least one airtight seal, and a single compressed single-use disposable diaper vacuum-sealed within said interior space, wherein said interior space has at least a partial vacuum whereby a pressure differential acts upon said encasement and said diaper to maintain said diaper in said compressed state; at least one diaper accessory for use in the diaper changing; and wherein said diaper accessory is disposed inside of said interior space of said encasement; wherein said encasement is dimensioned to fit within a pocket of an article of clothing; and wherein said single compressed single-use disposable diaper vacuum-sealed within said interior space is folded at least once; wherein the diaper kit is packaged together with a plurality of non-vacuum-packaged diapers in a combination package for retail sale.