Features: - Materials: 6-turn triple tempered steel coil bonnel spring, 100% natural latex layer, memory foam layer & high-resilience egg crate foam, 100% polyester cover .-Includes: 1 x mattress.-Maximum airflow circulation design.-Adapts to all body types & sleep positions.- Gentle on skin .- Supportive memory foam ensures everything above it performs at its best .-DuraCoilTM system gives consistent support.- Certified by Certi - PUR , Certi - PUR-US , OEKO-Tex, SGS .- Generous memory foam layer & high-resilience egg crate foam .-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; Kids.-Construction: Innerspring; Latex; Memory Foam -Construction Details: 6-turn triple tempered steel coil..-Mattress Top: Euro Top -Mattress Top Details: 100% natural latex layer, memory foam layer & high-resilience egg crate foam..-Edge Support: Yes.-Motion Isolation: Yes.-Breathable: Yes.-Removable Cover: No.-Hypo-allergenic: 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..-Care Instructions: Rotate mattress regularly; Do not use strong cleaners or chemicals -Care Instructions Details: Turn the mattress regularly; do not use strong chemical cleaners..-Additional Instructions: It's recommended that you wait 48 - 72 hours before using, after the mattress is removed from the packaging.-Collection: Karina. - Specifications: -Certi - PUR-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): 188.-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 Width - Side to Side (Size: Single): 92.-Overall Width - Side to Side (Size: King Single): 107.-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 Thickness (Size: Double): 16.-Overall Thickness (Size: King): 16.-Overall Thickness (Size: King Single): 16.-Overall Thickness (Size: Queen): 16.-Overall Thickness (Size: Single): 16.-Overall Product Weight (Size: Single): 12.3.-Overall Product Weight (Size: King Single): 14.95.-Overall Product Weight (Size: Double): 18.11.-Overall Product Weight (Size: Queen): 22.15.-Overall Product Weight (Size: King): 26.42. Assembly: -Assembly Required: No -Type of Assembly: .-Recommended Persons Required for Assembly: .-Tools required & NOT provided