Dragon Shield Sleeves: Classic The Astronomer (Box of 100) Tweet Brand New, 4 In stock $9.99 Description Clear front & 'The Astronomer' artwork by Johannes Vermeer. Dragonized by José Muñoz. 100 sleeves per box. For cards measuring up to 63×88 mm (2½”x3½”). PVC-free polypropylene sleeves, no acid. Archival safe. 120 μm quality thickness. Sturdy cardboard box fits 75+ sleeved cards. Box lid has a label for your personal use.