The "Pro Set" is a brand of trading cards that gained popularity in the late 1980s and early 1990s, primarily focusing on professional sports. It was known for its high-quality production and a wide range of sports, including football, basketball, and hockey. The cards featured detailed player statistics and biographies, making them appealing to collectors and fans alike. In addition to traditional trading cards, Pro Set also produced collectible items such as stickers and game cards. The brand aimed to provide a comprehensive experience for sports enthusiasts, capturing the excitement of professional sports through its diverse offerings.