50 16x12x4 Cardboard Paper Boxes Mailing Packing Shipping Corrugated Carton

1You may also like BFM933 Corrugated Cardboard Mailers, 9 x 3 x 3 Inches, Tuck Top One-Piece, Die-Cut Shipping Cartons, Medium White Mailing Boxes (Pack of 50)$$Office.