Now, that's a backpack! In the world of Game of Thrones, the Starks and their bannermen always remember (and remind the people whom they like and some they don't) that Winter is Coming. The Game of Thrones Stark Shield Backpack is a perfect gift for fans of the HBO Game of Thrones series. The backpack is made of 100% polyester. Measures about 21-inches diameter x 4-inches wide. Ages 13 and up.