Benefit from a deeper sleep with a five-zone coil system and multiple layers of foam. Premium edge support around the perimeter of the mattress reinforces its structure and strengthens its durability over time. The materials used are also hypoallergenic, making it a great choice for the dreamers out there with allergies or skin sensitivities. Features: -Materials: polyester fabric, egg crate foam, high-density foam, 6-turn independent steel pocket springs.-Includes: 1 x mattress.-Comfortable knitted polyester fabric.-6-turn independent pocket springs.-Zero partner disturbance.-Comprehensive support.- 7-zone coil system .-Comfort Level: Medium to Firm; Firm.-Age: Adult; Kids.-Construction: Pocket Spring; Foam -Construction Details: High-density foam, 6-turn independent steel pocket springs..-Mattress Top: Euro Top -Mattress Top Details: Egg crate foam..-Edge Support: Yes.-Motion Isolation: Yes.-Removable Cover: No.-Hypo-allergenic: Yes.-Cooling Properties: No.-Organic: No.-Handles: Yes.-Box Contents: 1 x mattress -Box Content Details: Rolled & packed in a single carton that can fit through a standard door & can be easily carried up flights of stairs or taken in an elevator.-Mattress in a Box: Yes..-Recycled Content: No -Recycled Content Details: ..-Care Instructions: Rotate mattress regularly -Care Instructions Details: Turn the mattress regularly..-Collection: Callista.Specifications: -CertiPUR-US Certified: No.-Are compressed mattress warnings attached to the packaging? (e.g. please take care when opening this mattress as it may expand quickly): No.-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 and 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): 188.-Overall Length - Top to Bottom (Size: Queen): 203.-Overall Length - Top to Bottom (Size: King): 203.-Overall Length - Top to Bottom (Size: Super King): 203.-Overall Width - Side to Side (Size: Single): 91.-Overall Width - Side to Side (Size: King Single): 106.-Overall Width - Side to Side (Size: Double): 138.-Overall Width - Side to Side (Size: Queen): 153.-Overall Width - Side to Side (Size: King): 183.-Overall Width - Side to Side (Size: Super King): 203.-Overall Thickness (Size: Double): 35.-Overall Thickness (Size: King): 35.-Overall Thickness (Size: King Single): 35.-Overall Thickness (Size: Queen): 35.-Overall Thickness (Size: Single): 35.-Overall Thickness (Size: Super King): 35.-Overall Product Weight (Size: Single): 21.2.-Overall Product Weight (Size: King Single): 26.05.-Overall Product Weight (Size: Double): 32.75.-Overall Product Weight (Size: Queen): 36.35.-Overall Product Weight (Size: King): 43.5.-Overall Product Weight (Size: Super King): 48. Assembly: -Assembly Required: No -Type of Assembly: .-Recommended Persons Required for Assembly: .-Tools required & NOT provided: .-Assembly Details: ..