The product is a selection of 2023 Topps Series 1 Baseball Base Cards (#1-165) where customers can choose specific cards to complete their set. Manufactured by Topps for the Major League Baseball (MLB), these original cards are made of card stock and feature rookies and base set cards from the 2023 season. Each card is in standard size and is in English language. This collection of sports trading cards allows fans to customize and enhance their card collection with specific cards of their choice.