Feeding is one of the most important exploration activities in a newborn?s growth. Designed with creating the best experience for your baby, the GentleBottle keeps feeding as natural as it should be while stimulating development through touch and sight. The GentleBottle is made of soft medical grade silicone that is 100% toxin free. The soft texture and shape allows baby and parents a safe and comfortable grip. The off-set nipple design mimics a natural breast that allows for easy latching and reduces bottle rejection. The attractive colors of our Gentlebottle helps to stimulate baby?s visual senses, allowing for a strong role of direct experience with colors in the early stages of visual development. Attractive colors stimulate baby?s visual senses; Off-centered nipple design mimics natural breasts; Integrated dual-venting anti-colic system; Smooth texture makes it easy to hold; Wide neck allows for easy cleaning; 100% Medical-grade silicone; BPA, PVC, Phthalate free;.