Soft Large Silicon nipple is similar to mother’s nipple; with unique design reduce the fun on the tongue and strengthened circle on the top is more durable for help hole opening; the air, so prevents colic. Ingenious cap design, the milk does not flow while making or shaking the milk inside. Bottle neck with smooth inner surface, making it easier to clean thoroughly without remnant, for more hygiene.Wide-bore feeding bottle makes it easy for you to load milk and convenient for washing clean. The Bottle Part: is made from plastic material meant for food contact application which complies with FDA standard, Food Class, Toxic-free, resistant to strike, and free from deformation after being boiled up to 125°C. The use of nipple: Has complied with FDA standard and it is made from Food Class silicone, toxic-free, resistant to high temperature, sterilize-able with 180°C.