This premium pillow top memory foam mattress features a five-zoned pocket spring system to provide both excellent movement absorption as well as plush, contouring comfort. Easy to maintain, it’s a hypoallergenic and versatile option for your bedroom. Take care when opening the plastic packaging as the mattress may open quickly. Instructions for opening 1. Place the box on a flat surface 2. Carefully cut the outer bag (do not use a knife) 3. Unroll the compressed mattress and remove the plastic bag 4. Allow 48 hours for the mattress to expand.Dimensions: -Overall Length - Top to Bottom (Size: King): 203.-Overall Length - Top to Bottom (Size: Queen): 203.-Overall Length - Top to Bottom (Size: Double): 188.-Overall Length - Top to Bottom (Size: King Single): 203.-Overall Length - Top to Bottom (Size: Single): 188.-Overall Width - Side to Side (Size: King): 183.-Overall Width - Side to Side (Size: Queen): 153.-Overall Width - Side to Side (Size: Double): 137.-Overall Width - Side to Side (Size: King Single): 107.-Overall Width - Side to Side (Size: Single): 91.-Overall Thickness: 34.-Overall Product Weight (Size: King): 51.-Overall Product Weight (Size: Queen): 44.-Overall Product Weight (Size: Double): 37.-Overall Product Weight (Size: King Single): 29.-Overall Product Weight (Size: Single): 22.