Universal Cartons or Regular Slotted Cartons are standard cartons with closing flaps on top and bottom. These cartons are primarily shipping and storage boxes, and always require glue, tape, or staples to close. Applied labels and special shipping instructions stand out against the crisp white / brown background. Strong and sturdy construction with ECT (Edge Crush Test) and BCT (Box Compression Test) reports. Several sizes to choose from. Custom sizes are available. Sold and shipped flat in bundle quantities. They're more economical than die cuts, and combine functionality with protection in a single package. The attractive features of our corrugated boxes are as follows: . Light weight . Clean and hygienic . User friendly . Durable . Reliable