This is a complete feeding kit from Tommee Tippee. It includes 8 anti-colic bottles (four larger and four small) which have a venting tube with heat sensing strips which will turn pink when the milk is too hot. There is an electric steam steriliser which will sterilise up to six bottles in just five minutes. There is a food and bottle warmer which will warm products from chilled or frozen There are also milk storage pots, insulated bottle bags, tweezers, pacifier and bottle brush. A great kit containing everything you will need if you want to bottle feed your baby.