The White Corrugated Mailers 3X3 40 Shipping Packing Boxes by Valuemailers are versatile and durable boxes designed for shipping and packing purposes. Made of lightweight and heavy-duty cardboard, these boxes come in cube, square, and rectangle shapes, with interior dimensions ranging from 2" to 12" in length, height, and width. With single wall construction, these boxes offer reliable protection for your items while in transit. Proudly made in the United States, these white corrugated boxes provide a practical and efficient solution for your shipping needs.