Features: - Materials: knitted cotton, convoluted foam, viscose gel memory foam, non-woven polyethylene, 5 zone pocket spring coil system, foam .-Includes: 1 x mattress.-Gel particles that help regulate temperature by absorbing & dispersing excess heat away from the body, which can help prevent overheating during sleep.-Euro top layer that provides extra layer of cushioning & comfort, creating a soft & luxurious sleeping surface.-A combination of support & comfort makes them suitable for various sleepers.-Zero partner disturbance technology.-Size (Size: Double): Double.-Size (Size: King): King.-Size (Size: King Single): King Single.-Size (Size: Queen): Queen.-Size (Size: Single): Single.-Comfort Level: Medium.-Age: Adult.-Construction: Pocket Spring; Gel Memory Foam; Foam -Construction Details: Convoluted foam, viscose gel memory foam, 5 zone pocket spring coil system, foam..-Mattress Top: Euro Top -Mattress Top Details: Knitted cotton, non-woven polyethylene..-Recommended Base Type: All.-Edge Support: No.-Motion Isolation: No.-Breathable: Yes.-Removable Cover: No.-Hypo-allergenic: Yes.-Cooling Properties: Yes.-Box Contents: 1 x mattress -Box Content Details: Rolled & packed in a box.-Mattress in a Box: Yes..-Care Instructions: Rotate mattress regularly; Do not use strong cleaners or chemicals.-Care Instructions Details: Turn mattress often; spot clean with non-strong chemicals.-Collection: Winston.Specifications: -CertiPUR-US Certified: Yes.-Are compressed mattress warnings attached to the packaging? (e.g. please take care when opening this mattress as it may expand quickly): Yes.-Are compressed mattress warnings provided inside the packaging? (e.g. please take care when opening this mattress as it may expand quickly): Yes.-Consumer Advice: WARNING: Ensure no children or pets are close to the mattress when opening. 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 & remove the plastic bag 4. Allow 48 hours for the mattress to expand.Dimensions: -Overall Length - Top to Bottom (Size: Single): 190.-Overall Length - Top to Bottom (Size: King Single): 203.-Overall Length - Top to Bottom (Size: Double): 190.-Overall Length - Top to Bottom (Size: Queen): 203.-Overall Length - Top to Bottom (Size: King): 203.-Overall Width - Side to Side (Size: Single): 90.-Overall Width - Side to Side (Size: King Single): 107.-Overall Width - Side to Side (Size: Double): 140.-Overall Width - Side to Side (Size: Queen): 152.-Overall Width - Side to Side (Size: King): 182.-Overall Thickness (Size: Double): 30.-Overall Thickness (Size: King): 30.-Overall Thickness (Size: King Single): 30.-Overall Thickness (Size: Queen): 30.-Overall Thickness (Size: Single): 30.-Overall Product Weight (Size: Single): 20.2.-Overall Product Weight (Size: King Single): 25.3.-Overall Product Weight (Size: Double): 30.1.-Overall Product Weight (Size: Queen): 34.2.-Overall Product Weight (Size: King): 40.7. Assembly: -Assembly Required: No -Type of Assembly: .-Recommended Persons Required for Assembly: .-Tools required & NOT provided: .-Assembly Details: ..