Thanks to the inner compartment, these high-quality mailing boxes are the ideal shipping packaging for product samples or giveaways. Once inserted, nothing slips, so your small promotional items reach their recipients undamaged. Your audience sees straight away who the gift is from, as the outside of the boxes can be fully printed with your chosen design. size: DL material: 300 gsm matt art paper or 400 gsm kraft board inner compartment for giveaways, brochures, etc. fully printable outside in 4/0 colour supplied flat available from 1 piece