The NUK Anti Colic Bottles come in a set of 5 with 3 bottles without the anti colic teats and 2 bottles with teats. These bottles are suitable from 0 months old and have a variable flow teat type. The clear colour of the bottles makes it easy to see the milk or formula while feeding your baby. With the NUK brand known for quality baby products, these bottles are a reliable choice for parents looking to help reduce colic in their babies.