NON TOXIC FOODGRADE SILICONE As one of the leading brands for silicone products for the past 7 years quality has always been our first priority Made from 100 pure foodgrade silicone with NO added fillers plastics or harmful chemicals our silicone transition cups are always free from BPA BPS PVC lead phthalates LEAKRESISTANT SRAW The straw features a oneway valve at the top that shuts to minimize leaks The valve is made of silicone so its still soft enough for babies to sip from The top portion of the straw is attached to the lid so toddlers cant pull it out And the bottom portion of the straw is also made of silicone so that any part of the cup that touches the liquid or mouth are pure silicone The flexible straw is gentle on gums teeth and allows for drinking from different angles with a bent straw REMOVABLE SQUEEZEPROOF SLEEVE The cups include removable sleeves with handles that make it easy for little hands to hold Theres a hard plastic insert under the handles that helps prevent your little one from squeezing the cup and squirting out their drink The plastic portion is on the outside of the cup and does not touch the liquid DURABLE UNBREAKABLE Our silicone is soft flexible yet thick unbreakable making these the perfect transition cups as your little one practices drinking from a straw The best part is they wont chip or crack if theyre dropped or thrown Theyre great for encouraging more independence while drinking at home or on the go DISHWASHER MICROWAVE FREEZER SAFE Our toddler cups are easy to clean with a bottle brush and dishwasher safe Silicone can withstand high heat without warping or leaching into drinks We recommend using mild detergent without fragrance for all silicone products 8 oz capacity for water milk or juice