This 13.5 gauge bonnell spring unit Julian Bowen Premier Mattress provides a 900gsm spring insulator 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. Available in 90cm, 135cm and 150cm sizes, why not match this mattress with one of the Julian Bowen Beds.