Box Partners Corrugated Boxes, 6" x 4" x 4" - 25 each per Bundle Go to amazon.com Related posts Top 13 best 4x4x4 boxes shipping Top 15 best shipping boxes 6x6x6: Which is the best one in 2022? Feature25 EACH per BUNDLECorrugated BoxesShipping Supplies DescriptionManufactured from 200#/ECT-32 Kraft corrugated. Cartons are sold in bundle quantities and ship flat to save on storage space and shipping.