The Rest Assured Minerva 2000 Pocket Silk Mattress: enjoy a plush collection of natural comfort fillings including silk, cashmere and British wool to cushion your body throughout the night. 2000 responsive pocket springs deliver targeted support to problem areas such as the back, joints and hips. This mattress offers an outstanding night\'s sleep and is hypoallergenic to prevent dust mites and other allergens. Enjoy Free Next Day Delivery on this mattress and treat yourself to the luxury night\'s sleep you know you deserve.