PP body, Teflon coated heating plate BPA Free User friendly design single layer flip cover design for one hand opening Removable bottle and teat holder, combines as you like, can accommodate 6 sets of bottles Can used as a dryer for drying dried fruits after removing the bottle teat holders High temperature steam sterilization, sterilization rate 99.99% PTC ceramic heating, high efficiency and safety of heat conduction and heat dissipation Air inlet filtration system, effective filtration of dust and bacteria With 48 hours storage and keep warm function, ready to take at any time Teflon coated heating bottom plate, safe material, easier to clean Function