The Cooper Flagg #251 Prism Refractor trading card is part of the 2025-26 Topps Chrome set for the National Basketball Association (NBA). As a rookie card for the Dallas Mavericks, this basketball collectible is perfect for fans and collectors looking to add a unique and sought-after piece to their collection. With its shiny prism refractor design, this card is bound to be a standout addition to any basketball card assortment, showcasing a promising young player in the league.