Your items must be non-rectangular in shape, and fit within the size specifications listed below. You can experiment with shapes, die-cuts and folds.
Some shapes are susceptible to damage. For this reason, we suggest you avoid the following:
- Long 'tails', which are likely to bend or break off
- Shapes that could become entangled with other mail
- Shapes with sharp or pointed edges that could injure people or damage other mail
- Shapes without enough flat area to show the address, return address and Postage Paid imprint, or to apply a redirection or return-to-sender sticker
