This Shipping Supply kraft corrugated mailers is an excellent product for shipping & packaging applications. The corrugated mailers ensures mailed material is transported safely. Comes in Kraft. This product is packaged 50 per bundle. Dimensions for this item are 4 in length, 4 in width and 3 in height. The corrugated mailers is made of 200#/ECT-32-B Corrugated.