“The Last World Trade Center Beam" Official Museum 2-Sided Tote Bag, sized at 16 in. x 16 in. Beautifully made and sturdy bags feature the image on one side with the Museum logo while the reverse reads, "Never Forget 9/11" in distressed font. Soft, 100% cotton one-size shoulder straps. Bag made of Polyester Poplin and a laminate interior. Dry clean only.