Finding Shipping Boxes for your office can be hard when you need a mix of price, utility and style. Luckily, Wayfair Supply has products like the Heavy Duty Box (18" H x 18" W x 24" D) and Self Locking Mailer and Storage Solution (5" H x 37" W x 5" D) (Set of 25) to help narrow your search for your office needs. Search by Box Width, Pack Size or Overall Width. With 2-day Shipping and Brands like Duck® and Advanced Organizing Systems, you’re sure to find the right More than 15" Shipping Boxes for your small business, school or building. We make finding the right Shipping Boxes easy and cost effective for commercial shoppers by putting it all on the same site – Wayfair Supply.