Let the enchanting singers Sheryl and Ranka from "Macross Frontier" protect your Nyan Colle trading cards! One box contains 12 packs and each pack contains 60 plastic sleeves (9.2cm tall by 6.7cm wide), each with a clear side and a side with a beautiful illustration of the two female leads. There are 720 of the same plastic sleeve in a box of 12 packs.