Plastic.SUFFICIENT STORAGE SPACE: Providing ample space for a variety of toys in one convenient location, this handy unit boasts 50 adjustable compartments in all! It's outfitted with 5 detachable tiers – 10 compartments each – that conveniently snap together to save valuable floor space..HOME FOR SMALL TOYS:Our Stackable Storage is perfect for storing small toys and small dolls.All small dolls and toy cars Compact Storage Organizer Case – These versatile plastic toy organizers store boy and girls' toys..UNLIMITED STACKS: The stackable container is the perfect storage unit for Jewelry, Shopkins and Littlest Pet Shop figures, arts and crafts, and much more. All five tiers snap together to create one, user-friendly unit, while the top is furnished with a handle for easy transport from room to room.More layers can be added to have as many spaces as you like..EXCELLENT QUALITY:Our Storage made from sturdy, plastic that's durable and lightweight. It comes complete with a strong lid that snaps closed to keep items inside securely stored..ADJUSTABLE COMPARTMENT SIZE:Unit measures 6 x 10 x 11.4 inches. Each compartment measures 1.75 x 3.25 x 2 in size, and the dividers can be conveniently removed to make larger compartments in whatever configuration works for you. However the height is not enough to store most Christmas .