Dimensions: 300mm x 212mm x 10/20/30/40mm (adjustable)
3mm thick kraft brown cardboard (inside and out)
These clever A4 mailers are designed to adjust to the height of your contents. Feature three creasing guides to allow you to adjust height from 10-40mm. Perfect for shipping books, pictures and photo frames.
This is a made to order item, please allow 3 working days for production