Babyworth Baby Bassinet Mattress The foam in the babyworth Bassinet Mattress has been treated with Purify Anti-Microbial or Perma-Guard. These environmentally sound processes provide long lasting protection against: Microbes Bacteria Dust mites Mould & mildew Babyworth Bassinet Mattress Superior support: Environmentally friendly Free of harmful chemicals Removable cover ( only for 10 cm thickness ones ) Mother and baby friendly Made in Australia