The 1988 Donruss MLB Baseball Complete Factory Set includes 660 sealed cards featuring players like Tom Glavine, Roberto Alomar, and Mark Grace. Manufactured in 1988 by Donruss, the set includes cards of players from teams such as the New York Yankees, Atlanta Braves, San Diego Padres, and Seattle Mariners. These standard-sized trading cards are made of card stock and are original MLB World Series event/tournament cards. With features like puzzles, checklists, and rookie cards, this set is a must-have for baseball card collectors looking to complete their 1988 Donruss collection.