Ninecer Ergonomic Office Chair, Computer Desk Chair with Wheels, High Back Mesh Office Chair with Adjustable Lumbar Support, Headrest, Flip-Up Armrests, Black

Features: 🎯Ergonomic Office Chair: Designed for users 5'2" to 6', this computer desk chair delivers 4-point support (head/back/hips/hands). Features height adjustment, 4-way lumbar support, 2D headrest, breathable mesh, flip-up armrests, and smooth rocking function for all-day posture perfection. ⚙️3-Year Core Support Warranty: 3 Year Free Return &Exchange for Quality lssuesIf it's a quality issue, we'll replace it or refund you. Free. lt's that simple. 💺4-way Lumbar and 2D Headrest: Conquer back pain! Ergonomic office chair with high-density mesh actively relieves pressure. Precisely adjust lumbar support (up/down/forward/back) and headrest (vertical) for personalized spine alignment in your computer chair. 🧼Space-Saving Flip-Up Armrests: Flip armrests 90° upward to stow completely under desks! This mesh office chair transforms into compact mode, freeing 35% more floor space around your computer station. 🛡️All-Day Breathable Mesh Office Chair: 3.2’’ high-resilience cushion + 15° spine-adaptive backrest + 20° recline. 220CFM high-airflow mesh combats sweat with 45N/cm tensile strength ensuring anti-sag durability for years. Specifications: Seat Material: Mesh Fill Material: High-density sponge Frame Material: Heavy Duty Metal Frame Weight Capacity: 330lb Swivel: Yes 2D Adjustable Headrest: Yes Ergonomic Lumbar Support: 1.2" Up/Down+1" Backward/Forward Color: White+Gray/Pink/Gray/Green Seat Depth: 18.3" Seat Size: 17.9" L x 18.1" W Overall Size: 24.4" L x 24.4" W x (47.7" -52")H Overall Height: 44.6"-48.8" Package Includes: 1 x A brand new Office Chair 1 x A clear installation instruction 1 x A complete installation tool package