Specification:

Item:Shipping Boxes

Material:Corrugated Cardboard

Structure:Single Wall Corrugated

Color:Brown

Outer Dimensions: 12x9x4 inches

Internal dimensions:11.6x8.8x3.9 inches

Quantity:20 Pack

Package Include: 20 Pack 12x9x4 inch Brown Mailer Boxes

MAILING BOXES: The mailer boxes are made of kraft corrugated cardboard, lightweight but sturdy, which is great for mailing small items
BUSINESS SUPPLIES: The shipping boxes are great for small business packaging or gift wrapping, especially decorate them with labels, stickers, ribbons
EASY FOLD: The corrugated boxes are easy to put together in seconds, the tuck top has two locking taps to close boxes and keeps secure
MEDIUM SIZE: The dimensions of the stackable cardboard boxes are 12x9x4 inches (LxWxH), and the internal dimensions are 11.6x8.8x3.9 inches
FLAT PACKING: 20 pack box mailers put in a carton, which is easy to ship and storage