A cup mug for practicing drinking with a straw. Used about 10 times. Sterilized and stored at home. ●Product Information● Product Name: Ouchi Cup Mug Straw Type Target Age: Around 6 months and up Size: 12.4 x 8.5 x 9.1H (cm) Maximum Capacity: 150mL Materials: Saturated polyester resin, silicone rubber Dishwasher safe Boiling and chemical sterilization OK