These plastic hinged card storage boxes are of the highest quality. They are designed to hold 100 standard-sized trading cards (2.5" by 3.5"). Their inside height dimension is 1.6875 inches. They feature four-ball hinges for added strength, and an extra-tight snap closure design so they won't open up accidentally. They are also quite suitable for the storage of beads, craft supplies, fasteners, small parts and the like.