・ No sterilization needed, ready to use immediately These are sterilized, single-use types, so you can open the capsule and use them right away. They do not contain environmental hormones (BPA). ・ Lightweight and compact, convenient for carrying It has a bellows design that extends when used, making it compact. It doesn't take up much space in your bag. ・ Milk suction amount can be controlled in 3 stages. The shape of the suction hole is oval, and you can adjust the suction amount by changing the direction. You can use it according to your child's age and physical condition. ・ The bellows-type bottle allows for free angle adjustment Unlike regular baby bottles, the bellows design allows you to freely adjust the bottle angle to match the angle of the baby's neck during feeding. ・ You can see the amount of milk at a glance The bottle has markings every 20ml, so you can prepare the amount of milk you want to drink anywhere. ・ Compatible with various types of milk