This beautiful wide neck feeding bottle by Suavinex is designed to fulfill the feeding needs of all babies. Round medical silicone teat is highly flexible and keeps it shape and does not alter the color or odor. The anti colic vents prevent air build up and swallowing during feeding. The ergonomic design gives you better gripping to feed in a comfortable and natural way. It is made of high quality food grade material. It is tested by the Spanish Society of Pediatric dentistry. The colors used are natural and non toxic.