Lightweight * Easy To Attach * Easy To Lift * Provides A Safe Convenient And Economical Way To Carry Oxygen Cylinders * Size D And E Tanks Fit Into This Holder With Minimum Lifting And Positioning * Attaches To The Handles And Frame Of The Wheelchair And Positions The Tank Off-center To Avoid Contact With The User's Head Or Back * Made Of Heavy Duty Waterproof Nylon * The Top Of The Holder Has Adjustable Straps That Can Adjust Up To 3 * Length Of The Holder Is 32 * Bottom Straps Do Not Adjust * Width Is 18.5