SITNESS RS BOB stool, seat 385 mm, black/black. Supplied = partially assembled. Seat height = 440 - 570 mm. Seat diameter = 385 mm. Seat material = vinyl, polyester. Seat colour = black. Type of height adjustment = gas spring. Frame design = base with TPU sole. Frame material = powder coated aluminium. Frame colour = black. Foot plate diameter = 365 mm. Seat design = round seat. Max. load = 110 kg. Period of use/day = up to 4 hours. Product type = office stools. Modern stool in gamer look. Comfortable seat with mixture of colours and materials. 360 mobility through tyre element. Seat with coloured vinyl covering, stitched, side netting always black. Infinite height adjustment via ring release lever under the seat. Aluminium base, powder coated in black. Horizontal swing effect through moving tyre element, black. Supplied flat pack - easy self-assembly.