Black Cardboard Shipping Box Mailers 12 x 8 x 3 Inch Corrugated Packaging Storage Boxes 15 Pack (Inside Size: 11.3 x 7.8 x 2.9) ✓ Free 60 Day Returns ✓ Free Express Shipping Description: Made of corrugated cartons Features: Small Cardboard Box Outside Size: 12Lx8Wx 3H ; Internal Size: 11.3 x 7.8 x 2.9 InchExcellent shipping boxes: made of corrugated cardboard, sturdy, Easy to assembleSmall Shipping Box,Perfect for shipping, mailing or storage some small items.Please check the box size before purchase, Corrugated Cardboard Box Internal Size (available size): 11.3length x 7.8width x 2.9 heigh. please refer to detail picture 2 Product Details: Brand: NO.1987 commerceColor: BlackMaterial: CardboardProduct Dimensions: 12″L x 8″W x 3″HItem Weight: 4.7 PoundsBreaking Strength: 800 kPaManufacturer: ‎NO.1987 commerceItem Weight: ‎4.69 poundsProduct Dimensions: ‎12 x 8 x 3 inchesSize: ‎12 x 8 x 3 InchColor: ‎BlackMaterial: ‎CardboardItem Package Quantity: ‎1Batteries Included?: ‎NoBatteries Required?: ‎NoDate First Available: July 6, 2021