Olababy Gentle Baby Bottles 4oz Mint 2 pack 0-3 Months Slow Flow Ola Baby New We believe feeding is one of the most important exploration activities in a newborn?s growth. Designed with creating the best experience for our baby, our GentleBottle keeps feeding as natural as it should be while stimulating development through touch and sight. The GentleBottle is made of 100% non-toxic silicone. 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% Non-toxic silicone BPA, PVC, Phthalate free