We sell a variety of packing box sizes.

16″X12.5″X12.5″  SKU#9061110

18″X18″X16″  SKU#9061136

24″X18″X18″ SKU#9061151

24″X18″X24″ SKU#9069402

24″X20″X46″ Heavy duty wardrobe box. SKU#8345

other packing supplies also available.