About This Elegant Design: Inspired by butterfly wings, this ergonomic office chair features a sculpted backrest that fits the back curve—offering both graceful design and full support for long hours at work or in your home office Breathable Mesh Support: Both the seat and backrest use high-density mesh for superior airflow. Stay cool and supported during long sitting sessions with a breathable ergonomic chair that prevents heat buildup and enhances daily comfort Adjustable Comfort: This mesh desk chair offers 4 adjustable parts: lumbar support (up/down), seat height, armrest height, and a 90–115° rocking tilt. Personalize your sitting position to stay comfortable through every task Certified Material Quality: Crafted from aerospace-grade plastic, this ergonomic chair is durable, stable, and built to last. Certified by SGS, TUV, and BIFMA for safety and sustainability—an eco-conscious, high-performance seating choice Easy Assembly & Warranty: Assemble in under 30 minutes with included tools. Enjoy peace of mind with our 30-day return for quality issues and a 5-year warranty on parts. Trusted by 6M+ users worldwide Overview Brand : amseatec Color : Blk-blk Product Dimensions : 26.38"D x 26.77"W x 37.01"H Size : No Headrest Special Feature : 5-Year Warranty – Long-term support, Adjustable Backrest, Armrest & Height– More Flexible, Aerospace-Grade Frame – Extra strong, Butterfly Design – Elegant Fashion, Triple Certified – BIFMA, SGS, TUV 5-Year Warranty – Long-term support, Adjustable Backrest, Armrest & Height– More Flexible, Aerospace-Grade Frame – Extra strong, Butterfly Design – Elegant Fashion, Triple C… See more Material Aerospace-Grade Plastic, Breathable Mesh, Steel Gas Lift Aerospace-Grade Plastic, Breathable Mesh, Steel Gas Lift See more : Item Weight 32.85 Pounds : Material Aerospace-Grade Plastic, Breathable Mesh, Steel Gas Lift Aerospace-Grade Plastic, Breathable Mesh, Steel Gas Lift See more : Item Weight 32.85 Pounds Frame Material Aerospace-Grade Plastic : Maximum Weight Recommendation 300 Pounds : Frame Material Aerospace-Grade Plastic : Maximum Weight Recommendation 300 Pounds