Insulated Toddler Cups: Boon Swig is an insulated kids' cup with a 100% silicone straw and inner pouch that keeps your little ones' favorite beverages ready for sipping Convenient Design: This spill-proof toddler straw cup has a rotating cover and a valved straw for a spill-proof seal that keeps drinks in the cup and off of kids Easy to Clean: The Swig toddler straw cup comes with a silicone pouch which detaches for quick cleaning and all parts are top rack dishwasher safe so their favorite cup is ready whenever they need it Silicone Sippy Cup: The Swig's unique design features a silicone straw and pouch, ensuring their favorite beverages only touch 100% food-safe silicone Toddler and Kids' Straw Cups: The Swig is a great transition sippy cup for babies moving on from baby bottles ages 6 months and up and it's also made without BPA or PVC