The Pillow Collection Whistler Ikat Aluminum and Xtreme Comforts Shredded Memory Foam Pillow belong to the same product category. These beds are flippable. These two mattresses can easily fit on adjustable bed bases. US residents can enjoy hassle-free shipping on both beds. You may test out the feel of the mattresses during the at-home trial. You can avail bed-in-a-box facility with both products.