From 5 Little Moneys's website: " 

The 5 little monkeys sleep system has created the ideal sleeping environment for your child. Our system includes a triple-layered mattress made using CertiPUR-US® certified memory foam, waterproof mattress protector and custom fill pillow. The mattress has cutting-edge temperature regulating technology to keep little bodies comfortable and cozy.  The removable and washable mattress cover, made with organic cotton, ensures years of good sleep hygiene.  For added protection and comfort, our waterproof mattress protector is made with soft organic jersey knit and comes alongside a custom filled pillow, which is anatomically correct for smaller bodies. 


From Obedding's website: "Find kids beds and kids mattresses, Disney wall decor, wall murals, wall borders, Superheroes bed sets, Disney bedding, and more!  We have everything you need to give kids a bedroom of their dreams. With a huge selection of girls bedding and boys bedding sets, wall decor and coordinating room decorations, you are sure to find what you want for girls and boys from toddler to teenage. Some of our popular brands include officially licensed merchandise from Disney, Nickelodeon, Warner Bros., Hasbro, NFL, NHL, MLB and NCAA. Free shipping within mainland USA . 1000+ choices for the perfect room. Our prices are about as low as it can get. We ship to 35+ countries within 1 business day "


From Washabelle's website: "Finally, the first machine washable, dryable, loveable mattress for kids. It’s as simple as unzipping the cover, tossing the cover and memory foam layers into
the washer and dryer, then zipping it all back up together again. So the mattress stays as clean and cozy as the sheets and blankets on top.  Six layers, five you can toss in the washer and dryer. Try it out. Free shipping and a 101 night trial.