Thinkbaby's 9 ounce trainer cup is free of bisphenol A (BPA), nitrosamines, phthalates, PVC, lead, tritan, melamine and biologically toxic chemicals. The spout is designed for the next step in your child's feeding. We have won multiple awards for the design because the Sippy Cup features a soft silicone spout. Since babies are used to the feel of silicone from baby bottles, parents have been delighted with the ease of transition. The spout features a cross cut opening. So when you hold the Sippy Cup upside down, nothing will come out helps eliminate reduce potential mess. The Sippy Cup also features our easy to grip handles. Most parents seem to transition to the sippy cup around 9 months. We have children up passed the age of 3 that don't seem to want to let it go. The sippy cup is made from polypropylene which can easily be recycled at the end of use. Also, if you have purchased thinkbaby bottles, you can simply buy the conversion kit and transform your bottle into our award winning sippy cup. Saves the environment and your pocket book. Silicone spout for the next stage in feeding 9 ounce bottle Free of BPA, easy to grip handles, travel cap to reduce spill dishwasher safe top rack, recommended Packaged in recycled materials.