Winter is Coming. Rulers of the North that call Winterfell home, join House Stark. Game of Thrones Brushed Art Sleeves are made of tough, PVC-free polypropylene. The artwork is printed directly on the sleeves and doesn?t peel or split. The sturdy cardboard box fits 75+ single sleeved cards or 65+ double sleeved cards. Every box has a label at the top of the box for personalization