Hypo-allergenic: Designed with hypo-allergenic features and is also dust mite resistant. Mattress: Get a DuraTribe deep reflex foam mattress. Depth: Choose between a 15cm and 20cm deep high-density polyurethane foam mattress. Cover: Comes complete with a beautifully knitted 100% polyester zip-off and sanitised cover. Firm: Aims to relieve pressure and provide maximum comfort by distributing the body weight. Sizes: Option of small single, single, EU single, small double, double, EU double or king (see dimensions below).