Made of yellow plastic, it's convenient as a bottle attachment. Used twice, but in near-new condition. As this is a used item, please refrain from purchasing if you are concerned. The Daiso milk storer is new, unused, and unopened. - Brand: meiji - Model Name: Rakuraku Milk Care Attachment II - Color: Yellow - Contents: Includes instruction manual - Material: Plastic Thank you for looking. #Pigeon #MilkCan #RakurakuAttachment