Query: 20 x 20 boxes
Large Moving Boxes (6 Pack) 20x20x15-inches Packing Cardboard Box
Tape Logic TL20206 Flat Corrugated Boxes, 20" x 20" x 6", Kraft (Pack of 15)
Pratt PRA0118 100% Recycled Corrugated Cardboard Box, 20" Length x 20" Width x 4" Height, Kraft
uBoxes Large Moving Boxes 20" x 20" x 15" (Pack of 6)
Aviditi 20204 Flat Corrugated Cardboard Box 20" L x 20" W x 4" H, Kraft, For Shipping, Packing and Moving (Pack of 10)
Aviditi 20208 Flat Corrugated Cardboard Box 20" L x 20" W x 8" H, Kraft, For Shipping, Packing and Moving (Pack of 15)
Aviditi 202020 Cube Corrugated Cardboard Box 20" L x 20" W x 20" H, Kraft, for Shipping, Packing and Moving (Pack of 10)