The corrugated carrying cases are really just large front lock deluxe literature mailers that have die cut holes for a plastic handle to make it easy to carry.
Online Store - GBE Packaging Supplies - Wholesale Packaging, Boxes
12 x 3 x 18 High Density Embossed Gusseted Merchandise Bag with
USA Made** Curbside Recyclable Eco GP Padded Mailers Padded Paper
50-Pack White Corrugated Packaging Boxes 9x6x3 - Cardboard
GBE Packaging Supplies Frequently Asked Questions - GBE Packaging
Corrugated Mailers Cardboard Mailer - GBE Packaging Supplies
GBE Product Packaging Supplies - GBE Packaging Supplies
Cube Shipping Boxes Cube Cardboard Box - GBE Packaging Supplies
GBE Packaging Supplies Wholesale Shipping and Packaging Supplies
6 x 4 x 14 Poly-Lined Gusseted Paper Bag with Tabs - White (50
CH-BOX 50 Pack 7x6x3'' Small Shipping Boxes
Corrugated cardboard carrying case with plastic handle for pillow
Corrugated Bin Boxes - GBE Packaging Supplies - Wholesale
Corrugated Carrying Case with Plastic Handles - GBE Packaging