Acid-free Box & Sleeves. Heavy Duty 50mm-deep hinged Archival box. A2 Archival Box internal dimensions 64cm X 45.5cm X 5cm A2 Archival Box Outer dimensions 65cm X 55.5cm X 6cm Our Most orders dispatch same day & go by Next Day delivery. Acid-free Box & Acid-Free Sleeves. Heavy Duty 50mm-deep hinged Archival box. Student Artwork Presentation Portfolio Archival Box. Acid-free Heavy Duty 50mm-deep hinged box. (To Buy MORE Archival Sleeves please see our other items or call.) It's sturdy yet portable, and because it's acid-free is a safe place to archive all your artworks. It's finished in 6oz black canvas and made in the classic clam-shell design. The Mapac Archival Box is an elegant and secure way to store drawings, prints, photographs or other documents. For NEXT DAY DELIVERY and any information please do not hesitate e-mail us or give us call on 02079986911 OR 07946655177.