It is easy to use. Has an anti-colic nipple that resembles a breast. Allows natural tongue movement. Contains a smooth neck and inner surface. The bottle is shock and temperature resistance. Maintain hygiene. Has an attached nipple. The nipple is very soft. Free for BPA, and non-toxic. Help the baby to drink completely. Provide extra support for babies and mothers. It is safe and healthy. The bottle is very easy to open and close. It is easily cleanable.