Healthguard is an award winning and world leading anti bacterial, anti allergy and anti insect technology. Dust mites are known to be the main cause of allergies and asthma in children, but the dust mite cannot live in a Healthguard mattress.They are fully breathable and air permeable with any inner cover and outer quilted removeable cover which is machine washable. A layer of individually coiled springs gives added support and comfort to the mattress.Baby Elegance will be making a donation to Temple Street Children's University Hospital for every Healthguard mattress sold in 2012Mattress dimensions 140 x 70 x 10 cms