The 2023-24 Panini Donruss Optic Basketball Factory Sealed Walmart Mega Box contains 32 standard-sized trading cards featuring autographed and exclusive rookie cards of NBA players like Victor Wembanyama. This set includes a variety of features such as short print, parallel, and insert cards, making it a desirable collectible for basketball fans. Manufactured by Panini in the United States, this box offers a unique opportunity to own cards of high-value players from teams like the San Antonio Spurs and Los Angeles Lakers.