Royal Mail Large Letter Cardboard PIP Boxes Mailing Postal C4/C5/C6/DL/Mini NEW
1 - MINI PIP BOX: 4" x 4" x 0.8" (10cm x 10cm x 2cm). 5 - C4 BOX:8.86" x 12.8" x 0.8" ( 22.7cm x 32.5cm x 2cm ). 3 - C5 BOX: 6.26" x 9" x 0.8" ( 16cm x 22.5cm x 2cm ). 2 - C6 BOX: 4.4" x 6.4" x 0.8" ( 11cm x 16.3cm x x 2cm ).