large flat black corrugated mailer boxes

product description

【Sturdy Durable】The black shipping boxes measures 6.3x3.1x1.2 inch (L x W x H) and is made of three layers of recyclable corrugated cardboard. 

【Waterproof】In order to protect the products inside the cardboard boxes more comprehensively, we not only use stronger cardboard but also add a waterproof function to it.

【Unique】Using new black corrugated cartons can help differentiate your products from your competitors. Are those common boxes really worthy of your product and brand?——Professional business packaging box.

【Safe and Efficient】The special black mailer boxes can prevent fingers from scratching during assembly. No tape and glue are needed during installation, saving cost. Ultra-light weight will save more freight.

【Widely Used】The black mailer boxes not only suitable for transportation but also suitable for small retailers, classrooms, Valentine's Day, baby shower etiquette, wedding parties, birthdays, etc.

【Fashion】The exquisite appearance of the mailing boxes combined with the gorgeous color helps your gift stand out among the many gifts.

QUICK TO ASSEMBLE: These black small boxes have clear creases,quick to assemble and fold. No tape, glue or staples needed.

STURDY:The black cardboard box with 90 degrees angle is durable and sturdy.It can protect items inside while shipping,effectively aviod losses

WIDELY USED:We can use these small boxes for packing small business,shipping,mailing,storing small collections.And we can add stickers on them to make special gift boxes

MATERIAL: Our black corrugated box is made of recyclable cardboard paper

technical details