The Sleepyhead mattress has the following features for optimum safety, comfort and hygieneA Luxury Hypo-allergenic quilted cover for extra comfort that is zipped for reasy removal. The cover is water resistant and breathable and allows for excellent air movement and heat dissipation. The cover offers protection against dust mites which can cause eczema and asthma.The cover is machine washable at 60 degrees.Internally, the mattress has a deluxe high tensile coil spring unit with a luxury foam surround for additional support.This mattress is suitable for placing the baby in the feet to foot sleeping position which is recommended by FSIDSThe mattress is manufactured without the use of Antimony, Phosphorous or Arsenic based fire retardant treatments.SIZE 120cms X 60cms x 10cmsConforms to BS1877 part 10 (1997) and BS7177 (2008)