Soft and perforated top layer, allowing air to move through the mattress freely. Includes an anti-microbial treatment to the top layer to protect against dust mites, bacteria and fungi. Honeycombed second layer structure that moderates your child's body temperature, drawing warm air away from your child and circulating fresh air. Towelling third layer absorbs any excess fluid, ensuring your baby stays dry. Liquid impermeable fourth layer, preventing damage to the mattress core, helping to stop bacteria breeding. Sprung, hypoallergenic mattress. Removable zipped cover for washing. Size (L)120, (W)60, (D)10cm. Complies with BS1877 and BS 7177. Does not contain added antimony and complies with limits specified in the UK.