This next generation straw cup is our favorite sippy cup for milk! BOT 2.0 uses our patented buffer chamber to relieve pressure so that your little can enjoy their favorite beverages. And with the original weighted straw technology we know and love, it is still a top rated transition cup for babies and toddlers learning how to use a straw. WEIGHTED STRAW lets your toddler drink from ANY ANGLE! Perfect for teaching little ones to drink from a straw, even when flipped upside-down. DRINK WARM OR COLD liquids with our patented buffer chamber technology. BOT 2.0 is even a favorite sippy for milk!  TOXIN-FREE sippy made with top quality POLYPROPYLENE (PP) and FOOD GRADE SILICONE so you can rest easy knowing your little one is safe! BPA, phthalate, and lead free materials. DISHWASHER SAFE pieces make cleaning a breeze Each cup is 6.75 in (17cm) tall and can hold up to 10oz liquid BABY SHOWER GIFT must have for the mindful mama!