Dimension: These shipping boxes' outer size is 12x9x4 inches, and inner size is 11 5/8 x 8 7/8 x 3 7/8 inches.
Sturdy Material: Made of 3-layer recyclable corrugated cardboard which is lightweight but sturdy, making it perfect as shipping boxes for small business.
Quick Assemble: The black packaging boxes can be assembled quickly in seconds without glue, tape, or staples.
Widely Used: Black mailer boxes are ideal for mailing, packaging, and storing small items like jewelry, CDs, cosmetics, soaps, mugs, candles, etc. Meet most shipping carrier specifications, suitable for small businesses, retailers, or personal use.
Gift Mailer Boxes: Stylish all-black design of black mailers boxes, decorate with ribbons or stickers, making it the perfect gift box for birthdays, wedding parties, Valentine's day, etc.
