Features: -Material: polyester memory foam.-Enhanced breathability.-Memory foam adapts to your body curve, resulting in less skin pressure.-Suitable for all sleeping positions.-Vacuum packed.-Removable, washable outer cover.-Type: Mattress.-Size (Size: Double): Double.-Size (Size: King): King.-Size (Size: King Single): King Single.-Size (Size: Queen): Queen.-Size (Size: Single): Single.-Firmness: Medium.-Construction: Memory Foam -Construction Details: ..-Mattress Top: Tight Top -Mattress Top Details: ..-Removable Cover: Yes.-Orthopaedic: Yes.-Hypo-allergenic: Yes.-Box Contents: 1 x mattress -Box Content Details: .-Roll Packed: ..-Commercial Use: Yes.-Recycled Content: No -Recycled Content Details: ..-Collection: Penguin Bedding Classical.Specifications: -CertiPUR-US Certified: Yes.Dimensions: -Overall Length - Top to Bottom (Size: Single): 188.-Overall Length - Top to Bottom (Size: King Single): 203.-Overall Length - Top to Bottom (Size: Double): 183.-Overall Length - Top to Bottom (Size: Queen): 203.-Overall Length - Top to Bottom (Size: King): 203.-Overall Width - Side to Side (Size: Single): 92.-Overall Width - Side to Side (Size: King Single): 107.-Overall Width - Side to Side (Size: Double): 137.-Overall Width - Side to Side (Size: Queen): 152.-Overall Width - Side to Side (Size: King): 183.-Overall Thickness: 24.-Overall Product Weight (Size: Single): 12.9.-Overall Product Weight (Size: King Single): 16.1.-Overall Product Weight (Size: Double): 19.2.-Overall Product Weight (Size: Queen): 23.-Overall Product Weight (Size: King): 27.6.Assembly: -Assembly Required: No -Type of Assembly: .-Recommended Persons Required for Assembly: .-Tools required & NOT provided: .-Assembly Details: ..Warranty: -Product Warranty: 5 years.