Under official Batman license. Prevents back stress: Its ergonomic backrest fits the shape of the back perfectly thanks to its lumbar support and prevents back stress and fatigue. An ultra comfortable and resistant seat: Its high density foam 5 cms thick has been specially designed to support prolonged sitting and optimised for a long life of the chair. Padded armrests: The black piano finish PU armrests are padded with foam to optimise comfort for arm rest and allow playing for many hours without feeling fatigue. A robust structure: Made of PU (Polyurethane) both light and very strong the gaming chair e-sport is designed to resist wear and tear its height adjustment mechanism Gas lift class 4 has also been optimized for maximum durability with daily use. well-crafted finish: The polyurethane cover is very easy to clean with stitching and a fully embroidered logo. Ultra practical: Equipped with 5 PU castors and a rocking chair function the seat will give you real freedom of movement for both play and work. Technical specifications : - Adjustable seat height: 40 - 52cm. - Rocking chair mode with rocking system. - Heavy-duty 5-wheel base. - Supports up to 120 Kg. - High density foam 5 cms - Solid leatherette upholstery and easy to clean (a simple damp cloth will remove most everyday stains). Dimensions : - Seat height: 40 - 52cms. - Seat depth: 50 cms. - Back height: 67cms. - Backrest width: 47cms. - Width: 60 cms. - Weight: 12 kg.