Spring Mattress Construction: Features a durable spring system that provides reliable support and comfort for restful sleep.(When you open the vacuum packaging bag, be careful that the mattress will quickly rebound)Memory Foam Comfort Layer: Incorporates memory foam technology that contours to your body shape for pressure relief and personalized support.Hybrid Design Benefits: Combines the responsive support of traditional springs with the conforming comfort of memory foam for optimal sleep experienceSupportive Sleep Surface: Combines spring coils with foam layers to deliver balanced support and cushioning throughout the night.Single Size Dimensions: Measures 190cm in length, 90cm in width, and 25cm in height, suitable for bed framesSpecifications Item weight: 15 Kilograms Fill material: Memory Foam Special feature: Breathable, Durable, Edge Support, Pressure Relief Construction type: Memory Foam Product benefits: Pressure Relief, Motion Isolation Comfort layer material: Memory foam Number of items: 1 Special Features: Breathable, Durable, Edge Support, Pressure Relief Item Dimensions L x W x Thickness: 190L x 90W x 25Th centimetres Item Thickness: 25 Centimetres