Firm Hybrid Small Double Mattress: Ideal for back or stomach sleepers. A dual-layer hybrid spring system combines 1000 Micro e-Pocket springs that contour to your natural body shape, with a firmer base of 1200 pocket springs for added stability. Breathable Layers: The open-cell comfort layers create a highly breathable mattress, with deep-quilted layers of advanced e-Fibre to support temperature regulation throughout the night and maintain a fresh, ambient sleep environment all night long. Hypoallergenic: Made with hypoallergenic, odourless materials that create a less hospitable environment for dust mites and other microorganisms. Made with certified OEKO-TEX fabric so you can be sure it contains no chemicals harmful to human health. Sustainable Materials: Made in the UK using certified zero-to-landfill manufacturing, all Jay-Be Truecore mattresses feature Advanced e-Fibre and materials that are 100% foam-free and 100% recyclable. Easy Delivery and Set-Up: Vacuum-packed, rolled, and sealed at production to keep your mattress fresh and reduce packed size by up to 70%. Delivered compressed for easy handling. Simply unbox, unroll, and allow it to expand.