Sodissa Box Feature: 1. Professional: 32 ECT grade, Industry-standard cutting, create sturdy and durable kraft corrugated shipping boxes.2. Simple, Easy to Fold: Single wall corrugated boxes make it durable.3. Good-looking: Smooth surface and strong material, can be used for decoration or as a gift for some special day, and is also ideal for packing, storing and collecting small stuff.4. Recyclable: 100 percent recycled kraft corrugated mailer boxes, made of high-quality kraft paper, and one-piece design is easy to fold.5. Well- packaged: Our cartons are sold in 25 pcs bundle quantities and ship flat to save on storage space and shipping. 12'' x 9'' x 4'' Brown Corrugated mailers - 25 Packs