12oz Kids Tumbler Sippy Cup is Eco-friendly lid is completely BPA-free; silicone gasket seals for maximum spill resistance. Silicone straws are easy to clean, BPA free, non-toxic and odorless. This tumbler is made of high quality food grade 18/8 stainless steel. Double-layer vacuum insulation can keep your hot drinks warm for 3 hours and cold for 6 hours.
