Lowback Backrest Support Obusforme Black (Bagged) Balms Creams features a wide handle and Procedure Mask Ultra Pleated features a wide handle and sturdy swivel casters that allow for easy maneuverability * Shelves are constructed of high impact polyethylene that will not chip peel or dent * Three ample sized shelves will accommodate large equipment * Shelves are lightly textured and recessed for added safety in the transport or storage of equipment accessories and supplies * Load Capicity: 200 lbs Replacement Caster 4 *Twin Wheel Casters Have Threaded Stem For Extra Security And Safety *MJM's Exclusive Reinforced Caster System Allows Additional Structural Support To Our Entire Product Line Our Positive Engaging Lock Holds The Wheel Securely So There Is No Swivel Movement When Locked *The Unique Design Allows Easy Movement On Hard Surfaces And Helps Eliminate the Wheel From Falling Into Cracks *Soft Non Marking Tread (It Will Not Leave Black Marks Or Leave Groves In Wood Or Vinyl) *Quiet Mobility (Hard Treads Make A Lot Of Noise)*Non Rust Plastic Body And Wheels *High Load Capacity (160 lbs) *Non Slip Tread Black * Designed to increase comfort by aligning your spine and supporting correct posture * Unlike traditional L shaped chairs the S shaped frame of the Obusforme molds your spine into proper anatomical alignment * Muscles relax leaving you more comfortable and energized * Features molded impact resistant lightweight polycarbonate frame * Durable polyurethane foam protects frame and provides cushy comfort * Hypoallergenic cover can be removed and spot washed * With removable adjustable lumbar support pad to provide additional comfort for the lower back by supporting the lumbar curve * Use together with any Obusforme seat