Serta Perfect Sleeper Luxury Hybrid Elmridge Super Pillow Top, Sleep Better and Serta Perfect Sleeper Glenmoor Super Pillow Top are reversible beds and can be flipped over easily. These models fit adjustable bed bases perfectly. Quilted foam is also a unique design featured in these trending sleep surfaces. The delivery is quick and hassle-free. These bed-in-a-box mattresses are easy to handle and unpack.