![C4 A4 Royal Mail Large Letter PIP Boxes, 320x230x20mm Corrugated Cardboard Shipping Boxes, Small Postal Packaging Mailing Boxes for Business, Posting, Storing or Gift (Pack of 10) : Amazon.co.uk: Stationery & Office C4 A4 Royal Mail Large Letter PIP Boxes, 320x230x20mm Corrugated Cardboard Shipping Boxes, Small Postal Packaging Mailing Boxes for Business, Posting, Storing or Gift (Pack of 10) : Amazon.co.uk: Stationery & Office](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/61cM0s1cAGS._AC_SY355_.jpg)
C4 A4 Royal Mail Large Letter PIP Boxes, 320x230x20mm Corrugated Cardboard Shipping Boxes, Small Postal Packaging Mailing Boxes for Business, Posting, Storing or Gift (Pack of 10) : Amazon.co.uk: Stationery & Office
![100 x C4 A4 Pip Box Shipping Mail Postal Large Letter Boxes Size: 335x230x23mm, V_BX-C4-BRW-100 : Amazon.co.uk: Stationery & Office Supplies 100 x C4 A4 Pip Box Shipping Mail Postal Large Letter Boxes Size: 335x230x23mm, V_BX-C4-BRW-100 : Amazon.co.uk: Stationery & Office Supplies](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/918kuMXirwL._AC_SL1500_.jpg)
100 x C4 A4 Pip Box Shipping Mail Postal Large Letter Boxes Size: 335x230x23mm, V_BX-C4-BRW-100 : Amazon.co.uk: Stationery & Office Supplies
![Large Letter PIP sizes and the fourth size will fit as a small parcel. You won't pay more than you need to on weight either, as these postage saver boxes are made Large Letter PIP sizes and the fourth size will fit as a small parcel. You won't pay more than you need to on weight either, as these postage saver boxes are made](https://www.officepackaging.co.uk/pub/media/catalog/product/cache/c5b0e6136a6dd7f7d91d8b889ed40f35/w/h/white_large_letter_pip_boxes.jpg)
Large Letter PIP sizes and the fourth size will fit as a small parcel. You won't pay more than you need to on weight either, as these postage saver boxes are made
![50 x C5 A5 PIP BOX SHIPPING MAIL POSTAL LARGE LETTER BOXES - SIZE: 245x165x23mm - FAST DELIVERY : Amazon.co.uk: Stationery & Office Supplies 50 x C5 A5 PIP BOX SHIPPING MAIL POSTAL LARGE LETTER BOXES - SIZE: 245x165x23mm - FAST DELIVERY : Amazon.co.uk: Stationery & Office Supplies](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/71nNCDjllJL._AC_SL1500_.jpg)
50 x C5 A5 PIP BOX SHIPPING MAIL POSTAL LARGE LETTER BOXES - SIZE: 245x165x23mm - FAST DELIVERY : Amazon.co.uk: Stationery & Office Supplies
![6.5 x 4.5 x 0.9" 166x114x22mm White PIP Royal Mail Large Letter Postal Boxes - Packaging 2 Your Door 6.5 x 4.5 x 0.9" 166x114x22mm White PIP Royal Mail Large Letter Postal Boxes - Packaging 2 Your Door](https://packaging2yourdoor.co.uk/wp-content/uploads/imported/7/White-Royal-Mail-MAXIMUM-LARGE-LETTER-SIZE-Cardboard-Box-Choose-Qty-262476301477.jpg)
6.5 x 4.5 x 0.9" 166x114x22mm White PIP Royal Mail Large Letter Postal Boxes - Packaging 2 Your Door
![50X C4 A4 Size Box Large Letter Strong Cardboard Shipping Mailing Postal Pip, LGELETBOXC4005 : Amazon.co.uk: Stationery & Office Supplies 50X C4 A4 Size Box Large Letter Strong Cardboard Shipping Mailing Postal Pip, LGELETBOXC4005 : Amazon.co.uk: Stationery & Office Supplies](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/81VKjfmCujL._AC_SL1500_.jpg)