"Ergonomic Office Chair, 3-Level Tilt Backrest, 3D Headrest & Armrest and Retractable Footrest, Mesh Breathable SGS Class 4 Gas Clylinder Adjustable Recline Feature: This chair has three adjustable positions between 90-135°, which can be used according to your needs. Reliable Construction: Backed by an SGS Class 4 certification, this chair is built to last, supporting weights up to 400 pounds. Lumbar Support: Equipped with a lumbar support that can be adjusted forward, backward, up, and down, it effectively reduces the burden on the waist, enhances overall comfort and posture, and relieves fatigue from long hours of work. Breathable Material: The chair is made of highly breathable mesh fabric, providing superior air circulation, making it suitable for long periods of sitting. Personalized Design: Featuring an adjustable headrest, 3D armrests, and a footrest, this chair is designed to offer a customized ergonomic experience. Date First Available: January 25, 2025 Is Customizable?: No Shape: Rectangular Tilting: Yes Included Components: Cushion Size: Medium Age Range Description: Adult ASIN: B0DV2ZXBSB Material Type: Stainless Steel, Mesh Product Dimensions: 28.3"D x 26.7"W x 20.2"H Seat Material Type: Mesh Indoor/Outdoor Usage: Indoor Room Type: Office, Game Recreation Room, Library, Study Room Seat Depth: 19.7 inches Item Height: 20.2 inches Seat Height: 35 Inches Manufacturer: marrap Frame Material: Stainless Steel Style: Modern Seat Material: Mesh Special Feature: Adjustable Lumbar, Adjustable Height, Adjustable Headrest, Foot Rest Pattern: Solid Is Customizable: No Indoor Outdoor Usage: Indoor Maximum Weight Recommendation: 400 Pounds Model Name: R3-Q9 Color: Dark Grey and Black Item model number: R3-Q9 Material: Stainless Steel, Mesh Frame Material Type: Stainless Steel Model Number: R3-Q9 Brand Name: marrap Brand: marrap Seat Length: 22.8 Inches Is Foldable: No Product Care Instructions: Wipe Clean Chair Backrest Width: 19.7 Inches Back Style: Solid Back Style Name: Modern Additional Features: Adjustable Lumbar, Adjustable Height, Adjustable Headrest, Foot Rest Age Range (Description): Adult Item Width Side To Side: 28.3"D x 26.7"W x 20.2"H Item Weight: 32 Pounds"