Has your baby outgrown the bottle? Get your child's age-suitable replacement for the Spectra Milk Bottle Teats. The Rigid Straw can be used only in upright position, while the Weighted Flexible Straw makes it easier for your little one to sip the content in any angle. The straw nipple has two-way air valves that will prevent colic and backflow. It is soft and gentle on the gums, helping soothe your teething baby and reducing the risk of misalignment. We recommend starting the transition by introducing the weighted straw, also is helpful if you add handles to the bottle for an easy grasp by little hands. , , The set also includes a cleaning brush, that enables you to clean the Straw Set thoroughly. The straws can be sterilized for hygiene purposes and all parts are dishwasher safe for convenience. The straws and the nipple straw are made of liquid silicone with no environmental hormones, which is more durable and much safer for your child than the regular silicone that is used usually for this type of product. All parts are made with BPA-free materials, ensuring your baby is safe and happy. , , What's in the box? , 1 x straw nipple with a cross-shaped hole , 1 x flexible straw , 1 x round shape weight , 1 x straw to nipple connector , 1 x rigid straw , 1 x straw brush