Sleeves - Monster Protector Sleeves - Smaller Size Super Gloss Finish fits Yugioh and other Smaller Sized Gaming Cards: From the best name out there, Monster sleeves will change the way you think of gaming protection. High quality, durable construction, and Monster branded, this is the only brand you will ever need. Standard size fits Magic the Gathering and other larger sized cards, and Smaller Size fits Yugioh and other smaller trading card games.