The product is a lot of four MLB baseball trading cards featuring Yordan Alvarez of the Houston Astros. These original cards are produced by Topps and are part of a variety set with card numbers 312, 399, and a relic included. The cards are of standard size, made of card stock, and in English language. This collection is perfect for fans of the Houston Astros and collectors of baseball memorabilia, especially those interested in the MLB World Series.