Anyone used these? https://www.campingworld.com/grip-fit-universal-rv-seat-covers-set-of-2-87844.html?utm_source=google&utm_medium=ppc&utm_campaign={Campaign}&gclid=CjwKCAiA3KefBhByEiwAi2LDHALaz9mgY9JzTnN6-q0_7qAK2yCl8R5N1qwoNJFCTaLt2x52LlGArRoC_J4QAvD_BwE&gclsrc=aw.ds
I used 1" wide for the window frames and https://www.amazon.com/dp/B08DCDDX78?psc=1&ref=ppx_yo2ov_dt_b_product_details to hold down the mattress topper,
Iflyfishsticky
Valcro to hold up window covers to window frames.
Windows painted black.
Two tone exercise mat, black on one side and brown on the other.
Original mattress and mattress topper held with valcro designed for cloth.
Iflyfishwithvalcro