Lassie Dog Seat Covers for Cars Back Seat 100% Waterproof with Mesh Visual Window Durable Scratch Proof Nonslip Dog Car Hammock with Universal Size Dog Cover for Cars, Trucks & SUVs https://www.amazon.com/dp/B08DD4R19Q
I use this one I got from Amazon: Lassie Dog Seat Covers for Cars... https://www.amazon.com/dp/B08DD4R19Q?ref=ppx_pop_mob_ap_share It works very well.