Havnby FlatCore Backseat Solo Mattress for Tesla Model Y, Wedge Design & 6.7-Inch Hybrid Support for Flat Car Bed, Portable Camping Mattress w/Built-in Pump for Campers, Hiking, Nap, Road Trip

They still have it on Amazon at the regular pricing (1/2 the price both Full size and solo) or until they realize they forgot to change pricing there lol https://www.amazon.com/Havnby-Mattress-6-7-Inch-Portable-Camping/dp/B0FP1Z2769/