This is a set of Bean Stalk's wide-mouth Tritan bottle (150ml) and a special attachment for liquid milk Sukoyaka M1. The wide-mouth Tritan bottle was jointly researched and developed with a pediatric dentist, designed with babies in mind, and is not microwave-safe. Made in Japan. The special attachment is made of polypropylene and has a heat resistance of 140°C. This nipple can be used from the newborn period until weaning, without the need to replace it. [Brand] Bean Stalk [Category] Baby goods [Capacity] 150ml (bottle) [Material] Bottle: Tritan, Attachment: Polypropylene [Heat Resistance] 140°C (attachment) [Country of Origin] Japan (bottle) Purchased in September but not used. Although it is new and unused, please refrain from purchasing if you have any concerns. #BeanStalk #BabyBottle #BabyGoods