Silentnight's UltraGel® 2000 boxtop mattress offers supreme comfort and unparalleled pressure relief with its innovative UltraGel® foam layer, which is 5 times more breathable than standard memory foam. The mattress features 2000 Mirapocket® springs for optimal zoned support, responding to your movements for personalized support without partner disturbance. It includes a box top sleep surface for added luxurious depth and a breathable mesh border for enhanced airflow. Handcrafted in the UK by Silentnight's expert sleep team, this mattress ensures a restful and refreshing sleep. Dimensions vary by size: Single (L190 x W90 x D33.5cm), Small Double (L190 x W120 x D33.5cm), Double (L190 x W135 x D33.5cm), King (L200 x W150 x D33.5cm), Superking (L200 x W180 x D33.5cm). Product weight ranges from 28kg to 58.5kg. Material is 100% Polyester. The mattress rating is Medium, with Ultra gel filling and a pocket mattress type. Product care involves wiping clean only. It comes with a manufacturer's 5-year guarantee and is delivered to your room of choice with packaging removed. Regular rotation of the mattress is recommended to keep the fillings evenly distributed.