Vitamin C derivative helps to ease and improve bleeding gums and other problems during pregnancy.The shape fits perfectly with your baby's tongue, allowing smooth tongue movement while minimising air intake.The nipple's roomy base helps your baby open his mouth widely, thereby encouraging steady peristaltic motion.The streamlined shape makes it easy for mothers to hold and keep clean\nMade of high quality, durable glass which is BPA-Free. Features:- a)Ultra-Soft Silicone b)Streamlined Shape Bottle c)BPA Free