![20 x White C5 A5 Size Box Large Letter Strong Cardboard Shipping MAILING Postal PIP. Internal Size: 22.5cm x 16cm x 2cm : Amazon.co.uk: Stationery & Office Supplies 20 x White C5 A5 Size Box Large Letter Strong Cardboard Shipping MAILING Postal PIP. Internal Size: 22.5cm x 16cm x 2cm : Amazon.co.uk: Stationery & Office Supplies](https://m.media-amazon.com/images/I/81M0o4OKKTL._AC_SX569_.jpg)
20 x White C5 A5 Size Box Large Letter Strong Cardboard Shipping MAILING Postal PIP. Internal Size: 22.5cm x 16cm x 2cm : Amazon.co.uk: Stationery & Office Supplies
![Working with USPS because my math grad notes were taken from a media mail box. "Wendy" sends me this form and this very helpful handwritten envelope..... Also Wendy needs to learn to Working with USPS because my math grad notes were taken from a media mail box. "Wendy" sends me this form and this very helpful handwritten envelope..... Also Wendy needs to learn to](https://i.redd.it/80vrsn28j6t11.jpg)
Working with USPS because my math grad notes were taken from a media mail box. "Wendy" sends me this form and this very helpful handwritten envelope..... Also Wendy needs to learn to
![25 - AKAR DL 220 x 110 x 20 mm Brown PIP Cardboard Large Letter Postal Box for Royal Mail : Amazon.co.uk: Stationery & Office Supplies 25 - AKAR DL 220 x 110 x 20 mm Brown PIP Cardboard Large Letter Postal Box for Royal Mail : Amazon.co.uk: Stationery & Office Supplies](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/61cwEMCZFdL._AC_SY355_.jpg)
25 - AKAR DL 220 x 110 x 20 mm Brown PIP Cardboard Large Letter Postal Box for Royal Mail : 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/6517c62f5899ad6aa0ba23ceb3eeff97/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
![After a 13 day wait on USPS media mail, I arrived home to find the Stax anthology box wide open.....Not a scratch or flaw on the records due to incredibly thorough packaging; After a 13 day wait on USPS media mail, I arrived home to find the Stax anthology box wide open.....Not a scratch or flaw on the records due to incredibly thorough packaging;](https://i.redd.it/qsm6xzdklgc41.jpg)