The Dr Browns Microwave Steam Steriliser sterilises Dr Browns baby bottles using a custom tray for all bottle components. The unit is 18cm x 30cm so will fit in most microwave appliances. The steam heat effectively kills all common household bacteria. Fits 4 bottles (accommodates most baby brands). Includes: 1 x custom molded tray. 2 x 240ml bottles. 1 x pair of tongs. Features: Sterilises Dr Browns bottles and accessories. Effectively helps to kill household bacteria. Contains 2 x 240ml/8oz Dr Browns Natural Flow Bottles. Sterilises bottles in up to 8 minutes, plus 10 minutes cooling time. BPA free for your babys safety.