Pigeon's "MagMag" series: Two sets of cup-drinking training mugs and straw-drinking lids Perfect for practicing cup drinking: Designed to support cup-drinking practice from around 8 months of age. Spill-resistant spout: Features a spout that fits a baby's small mouth and is designed to prevent spills while drinking. Flow adjustment function: The flow adjustment screw allows you to control the amount of liquid dispensed, making it easier for the baby to drink without choking. Step-up mug: A helpful item for the step-up process from bottle to straw mug, and then to a cup.