Set Pack of 20 Pcs (4) AA or (5) AAA Battery Storage Hard Case Box- Clear The item product is easy to lose too much battery for home design Uniquely designed two boxes withheld, so that small objects no longer messy Prevent the battery drain, collide cause a short circuit, it also can cultivate children love to pack clean habits Sleek compact, folding appearance, ease of battery storage, surgical structure in line with the double edge safety requirements Package: 20 pcs battery box