🌷Used high-quality 3 inch Rubber foam. 🌷Artificial Leather. 🌷120-degree tilting A grade China mechanism (BIFMA CERTIFIED). 🌷360-degree free rotation, free up and down. 🌷18-23 inch Hydraulic lifting system. 🌷BIFMA & SGS CERTIFIED 120mm Gas-lift 🌷360-degree swivel system. 🌷High-quality Castor. 🌷Stainless steel Base. 🌷A Grade China wheels, 🌷Load Capacity:120 Kg 🌷2 years replacement Warranty. 🌷Modern design suitable for office and home use.