Reliable and quality material: these storage boxes are +Grey Cardboard+Metal material with microfiber inner lining, which can keep your cards from scratches and bites and keep them intact; The lining is sewn with car seams, reliable and beautiful Convenient to use: this sports card storage box has extra easy access, and when fully opened, the 3-fold lid leaves open to both sides for extra easy access, and paired with magnet design, convenient to open and close Proper dimension: and it is large enough to hold 400+ double-sleeved cards, and the proper size is easy to carry and store What's included: the package includes 2 pieces of card storage boxes in 2 colors, which are well packaged during the transportation process, and the enough quantity can meet your card storage needs Cards collector: these collector card boxes can be shared with your children, daughter, son, boyfriends, friends, or those who love collecting various cards on birthdays, Thanksgiving, Christmas or other occasions