【Upgraded Design】 1.Shifting the spring lifter into a pre-assembled hydraulic mechanism saving stretching installation hassle of springs; 2.PVC Covers on cam connectors for a smooth look ; 3. Corner cushions for buffering; 【Sturdy Construction】1.P2 particle board is used for the main body and tabletop with water-proof veneer: 2.Using rubberwood instead of pinewood as the solid wood legs for a better screws shoving capability to ensure a more stable construction. .