Casper and The Luxi Adjustable are available in a variety of sizes. These mattresses are similar in terms of construction and layers. These beds are flippable. These two mattresses can easily fit on adjustable bed bases. If you like quilted foam, you may prefer these popular sleep surfaces. US residents can enjoy hassle-free shipping on both beds. These models come with an exceptional warranty. You may test out the feel of the mattresses during the at-home trial.