This Philips AVENT SCF251/03 My Natural Trainer cup makes it easier for your child to transition from bottles to sippy cups. Ideal for babies 4 months and up, this cup comes with both soft, Natural silicone nipple as well as a soft spout, allowing flexibility to move from bottle to cup whenever your child is ready to make the transition.The design encourages your child to gradually get used to drinking from a sippy cup while providing the familiarity of a bottle and the comfort of a soft spout. The petals inside the nipple increase softness and flexibility without nipple collapse, and it's innovative twin valve design reduces colic and discomfort by venting air into the bottle e and not baby's tummy. The trainer handles make it easy for little hands to hold the cup to encourage independent drinking. They are detachable, so you can simply add them when your baby is ready. The My Classic Trainer Cup is made from BPA free materials and includes a protective hygiene cap to keep the bottle and its contents clean. All pieces are dishwasher safe for easy cleaning. For versatility, this trainer cup is compatible with the Philips AVENT Natural bottle range, as well as the My Easy Sippy range and My Penguin Sippy Cup range.