Size: A4 Double-printed The folder will be protected with a thin paperboard for delivery. Tracking code is also provided. https://c1.staticflickr.com/1/940/29010101757_b583502d68_b.jpg Double-printed design. https://c2.staticflickr.com/2/1831/29010102257_d9db9c97ea_b.jpg The special design allow the skeleton to be coloured while the background is transparent. https://c2.staticflickr.com/2/1814/43042498365_04273098d1_b.jpg And this is how it looks after I inserted some paper!