Amazon.com: Prime 1 Safety RV Steps Extra Large Platform 19in x 14.5in Extra Size RV Folding Step Stool and Ladder, 600lbs, Height Adjustable, Aluminium with Reflective Stripe, Anti-Slip Surface and Extra Grip :
Amazon.com: Topfun Step Stool, Hold up to 350lbs, 16x12in Large Platform Sturdy Folding Step Stools, 1-Step Steel Ladder, Portable Non-Slip Step Stools for Kids Adults Seniors at Indoor Outdoor (11 inch, Grey) :