New in box. Assembly required. Made of high-quality engineered wood, the thickness of all boards are 0.63", stable and durable. The sturdy wooden construction also makes the top able to bear up to 150 lbs and each cube 44 lbs. The thickness of all boards are 0.63", stable and durable. The sturdy wooden construction also makes the top able to bear up to 150 lbs and each cube 44 lbs. 【Child-friendly Design】: The size of this toy storage cabinet is 39.37"W x 11.8"D x 25.59"H. This is an ideal height for children to see and use all their favorite books and toys. The kids bookshelf is made of P2 MDF wood and has passed the CARB certification, which is one of the strictest standards for formaldehyde emission from composite wood products, you can rest assured that your child gets along with it.