Popsugar Living Home Shopping Best Mattress on Amazon This Is the Most Popular Mattress on Amazon — It Has 25,000 Reviews and Costs Under $300 20 March 2019 by Krista Jones View On One Page Photo 1 of 3 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 1 Zinus Memory Foam 12-Inch Green Tea Mattress This Zinus Memory Foam 12-Inch Green Tea Mattress ($295) is available in three other thicknesses. Zinus Memory Foam 12-Inch Green Tea Mattress $295 from amazon.com Buy Now Previous Next Start Slideshow ShoppingHome ShoppingMattressesBedroomsFurniture