Massage function with 6 vibrating points to relieve your fatigue. With steel frame and heavy duty base, the chair bearing weight up to 180kg. Adjustable seat height and tilt function. 5 Universal wheels to move around smoothly. With quality PU and PVC material, which is durable, waterproof and not easy to deform.Material: PVC + PU + Steel + Sponge + Nylon. Product Dimensions: 74 x 77 x 117-124 cm (L x W x H). 1 x Massage Gaming Chair.