Pigeon Flexible Slim Neck Nursing Bottle PP 120ml x3Backed by 60 years of research on babys natural suckling motion, our Flexible Slim Neck Nursing Bottles is so soft it flexes to the movements of babies mouth. Bending and stretching to the babys mouth movements. Air Ventilation System (AVS) reduces intake of gas, a potential cause of colic. Made with PP (Polypropylene) material, this bottle is durable and lightweight. Available in 2 sizes 120ml (S size nipple) and 240ml (M size nipple). For 0+ months.