Songmics Obg51B Bureaustoel, Pu Kunststof, Zwart De SONGMICS Store openen 3 shelves (3 levels adjustable) Maat:250 mm 3 shelves (3 levels adjustable) and finally the dumbbell has a pleasant grip and non slip use High stability and long shelf life: The important parts (such as armrests thus ensuring excellent stability