The table set is made from odorless, non-toxic, and HDPE plastic. To further promote your child’s safety, it comes with rounded corners and edges. It is also sturdy enough to hold up to a 220 lbs load. All of these make for a lightweight table and chair that is safe for play and other activities. When using this study table and chairs set daily, you need to regularly check whether the screws are loose.  Table Size   47.2 ''(L) * 23.6 ''(W) * 18.9'' /23.6''(H)  Chair Size  11.8''(L) * 11''(W) * 20.8 ''/22.4'' (H)  Item Weight  53 pounds  Maximum Bearing  220lbs  Material  PP + ABS Assembly Required Yes Package:1 X Table4 X Chairs1 X Accessories Kits1 X User Manual