The Book Storage Shelf is made of high-quality P2 Mdf Board that provides great stability and durability, won't tilt or swing easily. It's a great space-saving bookshelf and helps to keep your room neat and clutter-free. The 4-tier/ 5-tier /6-tier storage shelf with compact design can find its spot in your bedroom, living room, children's room, study and playroom. Perfect for accessorizing, organizing, and storing your items while keeping them tidy and organized at home office.