Boxes Mailers Material: These shipping boxes Made of kraft corrugated cardboard, 32 ECT grade, the shipping box material are recyclable, eco-friendly and sturdy
Packing Boxes:White shipping box set are easy to assemble, these boxes good for mailing any small retail shipping, or Daily storage supplies,also use as a business corrugated packaging boxes
Shipping Boxes Size: 40 Pack shipping box has dimensions of approximately 7x7x5 inches (17.8x17.8x12.7cm) externally and 6.9x6.9x4.9 inches internally.
TIPS: Please confirm the size again, during the transportation process, it may cause a little deformation to the corner and will not affect the use
Corrugated Packaging Boxes: 7x7x5 cardboard boxes has a certain cushioning and anti-pressure protection effect to protect what you're carrying