Developed and rigorously tested by MAM’s team of medical and safety experts, designers and engineers, MAM Feel Good glass bottles are strong, durable and naturally BPA-free, offering greater peace of mind for parents.They are made of temperature resistant glass and as a result, the bottle can be heated in the microwave or bottle warmer, cooled down quickly, cleaned in the dishwasher and sterilised at high temperature. Simple and safe to use to make everyday baby life easier.Simple and safe to use to make everyday baby life easier. Like all MAM bottles they include the SkinSoftTM teat which is silky soft and provides a familiar feel for babies. Market research confirms that 94%* of babies accept the teat making it perfect for when mum wants to be a bit more flexible. (*Market research 2009-2017, tested with 1,508 babies).The 170ml bottles sit comfortably in the hand, are beautifully illustrated, easy to fill and have a detailed graduated scale on the back for accurate measuring.