Kaleurrier Rolling Stool Chair with Smooth-rolling Dual-wheel casters,Comfortable Cushioned Backrest, Swivel Seat, Heavy Duty Hydraulic Height Adjustable,Sturdy and DurableThe high quality stool is ergonomically designed with a curved, padded backrest for optimal support, equipped with a 3 thick well cushioned seat, used brand new high density sponge, and bonded high quality environmental protection PVC leather with strong wear resistance, tensile, toughness, and water proof functions, easy to clean and maintain. The hard working swivel adjustable height stool chair makes it easier to get through a busy day, very