The 2023 Contenders Basketball Blaster Boxes are sealed and come in a lot of 2, featuring cards made of card stock with standard sizes. These boxes include cards from the 2023 Contenders set, with one box containing an autograph label or sticker signed by Jalen McDaniels. Manufactured by Panini, the boxes are focused on basketball trading cards, specifically featuring rookie cards from the NBA Finals tournament. The boxes are perfect for collectors looking for sealed trading card sets to add to their collection.