SafeChamp bottles are free of BPA, phthalates, nitrosamines, lead, PVC, PET, and other biologically harmful chemicals. Made with medical grade, 304 (18/8) stainless steel that is ultra-polished, with the Joint Less and measurement indicators laser etched into the surface. The Thinker is built with a soft silicone into the next stage of feeding. The nipple features a cross-cut design, so they do not spill when held upside down. The top of the bottle also features an easy-to-close cover to keep the nipple from coming into contact with foreign substances. Thinkers are dishwasher safe. It Provides Your Baby A Safe, Comfortable And Cozy Environment To Have A Peaceful And Pleasant Sleep. It Is Lightweight And Easily Enables You To Carry It Wherever You Go. Made With Soft, Skin-Friendly, Non-Toxic, Safe, 304 Grade Joint Less Stainless steel.Because your baby's safety is our top most priority. This Feeding bottle has soft nipples and is easy to fill, hold, and clean, which makes it an apt choice for feeding your baby comfortably. The stainless steel body of the bottle makes it a versatile and practical tool for feeding. It is not easily breakable making it extremely safe for your little one to use. Stainless steel bottles are a great choice when out and about as they keep the liquid contents hot or cold for a long period of time. Easy to clean, light weight and best suited for traveling.