Offering a full 90 cm sleeping or sitting space, finished in a durable ivory coloured eggshell textured coating Features a sprung slatted base for added comfort and prolonged mattress life This 13. 5 gauge bonnell spring unit Premier Mattress provides a 900gsm spring insulater pad and 270gsm polyester filling to help you get the best night's sleep With high quality stitch quilting, and a Belgium damask quilted cover, this mattress provides the maximum comfort level you need