Sleep cool and undisturbed with this pocket spring coils hybrid mattress, blending cooling gel memory foam and 5-zone pocket springs for tailored support. The breathable 3D quilted cover and gel-infused foam work with airflow-focused coils to dissipate heat, while the zoned spring system cradles body for balanced comfort. Individually wrapped springs block motion transfer, so restless partners won’t disrupt your deep sleep. Delivered in a compact box—unroll, let it expand, and enjoy instant comfort. Backed by a 10-year warranty and dedicated support team, this medium-firm design ensures lasting durability and restful nights. Mercer41 Mattress Size: Small Double (4'), Mattress Thickness: 25cm