1. Desktop: 650*450mm using high density polyethylene (HDPE) as raw material, hollow blow molding process;
2. Seat back: 420*420mm reinforced high-quality PP (polypropylene) multi-element composite material by injection molding;
3. Book pocket: The wall thickness of high-quality stretched steel is ≥1.0mm.
4. Table and chair tube wall: 1.8mm wall thickness round tube.
5. Table foot: 1.8mm wall thickness, foot cover bottom has 4 balance foot cover.