FSC desktop: The desktop is made of FSC-certified wood Attention: Sind wings "F" should face inward. If the two parts "F" are installed in the opposite direction, it will cause the table to be longer than the tabletop. Premium Quality & Stability: Crafted with an industrial-grade alloy steel frame and FSC-certified wood desktop, our standing desk provides exceptional stability, supporting up to 154 lbs, even after 50,000 tests. Ergonomic Health Benefits: Promote a healthier work lifestyle with our spacious 40 x24 adjustable desktop. Easily switch between sitting and standing positions to improve posture, boost energy, and enhance focus. Simple Setup: Enjoy hassle-free assembly with fewer steps and less lifting.