A mug that allows training as your child grows. By changing the drinking spout, this set allows training that adapts to your child's growth, from straw practice to drinking from a straw. ●Product Information● Product Name: Try Straw Drinking Master Set Target Age: From around 5 months old Individual Package Size: 12.4 x 7.9 x 15.3H (cm) Materials: Polypropylene, Silicone Rubber Set Contents: ・Straw Lesson Mug ・Straw Drinking Spout ・Straw Dishwasher and dryer safe