DescriptionThis ergonomic office chair is designed to provide exceptional comfort and support for long working hours. Featuring a thoughtfully contoured backrest with integrated lumbar support and armrests, it helps maintain proper posture while reducing fatigue. The breathable mesh fabric combined with soft sponge padding ensures a cool and comfortable seating experience throughout the day. With adjustable height, a reclining rocking function, and smooth swivel capability, this chair adapts easily to your needs. Built with a sturdy structure and durable materials, it offers reliable performance and stability, making it an ideal choice for home offices, workspaces, or study areas.Key Features Ergonomic Design - Contoured backrest with built-in lumbar support and armrests; spacious seat for enhanced comfort Adjustable to Suit Your Needs - 90°-105° rocking backrest; 3.5" seat height adjustment; smooth swivel for flexibility Premium Materials - Breathable mesh fabric; elastic sponge padding for long-lasting comfort Sturdy Structure - SGS certified gas rod; strong 5-claw base supports up to 330 lbs Easy Movement with Smooth Wheels - Universal casters provide effortless mobility across surfaces Specifications Color - Black Material - Mesh Fabric, Sponge, Plywood, PP, Nylon Overall Dimensions - 22.5" x 22" x 36"-39.5" (L x W x H) Backrest Dimensions - 18" x 20" (L x H) Armrest Inner Spacing - 18" Seat Dimensions - 20" x 19.5" (L x W) Seat Height - 19"-22.5" Rocking Angle - 90°-105° Maximum Load Capacity - 330 lbs Net Weight - 20 lbs Assembly Required - Yes Box Quantity - 1 (May vary by batch) Package Includes - 1 x Office Chair 1 x User Guide