Universal Foam Arm Rest 1.25 inch OD x 12.00 inches long Black   
            Quantity: Four arm rests.  This will do two pairs of doors
This Arm Rest is designed to fit over 1.25 inch OD tubing and can be mounted in a variety of locations including tube doors and roll bars.    
Made in the USA of heavy duty black canvas, with hook and loop attachment points, fitted to a covered foam tubing inner member.
Video installation instruction: 
https://www.youtube.com/watch?v=t8SOPzr1InU