The Jay-Be Benchmark S3 Memory Eco Friendly Mattress combines a deep e-Spring core with supportive comfort layers and a memory e-Fibre that are 100% recyclable and 100% ultra-comfortable. Why youll love it Vacuum packed and rolled for quick delivery. Eco-friendly and 100% recyclable with high-performance comfort. Award-winning advance e-Fibre for luxury comfort and breathability. Memory e-Fibre for quick response pressure relief. Rebound e-Fibre for contour support. Open cell structure for temperature regulation. 100% foam free and free from harmful chemical emissions. Knitted fabric for a soft touch sleep surface. Made with care in Yorkshire. What you need to know Mattress type: Eco-friendly e-Fibre. Depth: 19 cm. Firmness: Firm. Fillings: Advanced e-Fibre, Rebound e-Fibre, Memory e-Fibre and an e-Spring core. Cover: Knitted fabric. Sizes: King, double, small double, single. Requires turning: Yes. Turn from head to foot. Mattress care: Mattress care: Air for 4 hours before using to remove any odour. Allow at least 4 hours for springs to settle and for mattress to attain its full size. Indentations caused by settlement of fillings or body weight are normal and are not considered defects. If used on a slatted bed frame, slats must be no more than 7 cm apart. Rotate regularly.