One chair to rule them all - The Valkyrie Series is a newly designed seat with adjustable armrests, which are padded for extra comfort. The Valkyrie Series offers a sleek ergonomic design for maximum comfort. This chair is designed to stay comfortable for long sessions, including those that are 8 hours or longer. Quality and Security-all the accessories have passed 72 strict quality tests. Imported hydraulic unit- the hydraulic unit is imported from Germany and passes stringent SGS and other international standards. Adjustable system- the height and angle of the chair can be adjusted to any degree. Full-size frame- DXRacer chair has a full-size frame inside. Spider base- our new base has been designed by teams of foreign professionals to last indefinitely.