Perfect gift, a cup/tumbler that grows with your child. It starts as a sippy cup for baby and gradually becomes a regular tumbler cup for your toddler. It comes with a sippy lid, regular straw lid, straw, and cleaning brush. Food-grade 18/8 304 stainless steel, use quality coating, the print color come out bright. The 12 oz sippy cup is BPA free and easy to clean. The cup/tumbler features vacuum double insulation. This advanced technology ensures exceptional heat preservation, with hot drinks staying warm for over 3 hours and cold drinks remaining chilly for up to 9 hours.