COVID-19 Update: Woohoop.com continues to operate as normal. We are still running at full speed, accepting orders, producing and delivering as planned. Contact Us with any questions.

Postal sizes (under 25mm)

These postal mailer boxes are all within the royal mail large letter size and designed to go through the letter-box and impress your customers with a high quality printed box, for larger boxes see our courier parcel sizes. If you are looking for a bespoke size or custom finish get in touch for more info.