gogobunny 100% Double-Sided Waterproof Dog Bed Cover Pet Blanket Sofa Couch Furniture Protector for Puppy Large Dog Cat, Reversible (82x82 Inch (Pack of 1), Dark Beige/Light Beige)

Great list for newbies. We have most if not all those. I would also recommend a waterproof blanket, we use something like this: gogobunny 100% Double-Sided... https://www.amazon.com/dp/B0B12CF1WG?ref=ppx_pop_mob_ap_share