Made of premium BPA-free food silicone, this convertible toddler cup comes with two interchangeable lids including soft duckbill spout cover and bent straw cap to switch between sipping and straw drinking for gradual feeding transition. Ergonomic dual loop handles fit tiny infant palms for stable self gripping during independent drinking. Thickened seamless cup body resists drops and deformation, bottom dotted texture boosts anti-slip performance. The whole silicone cup tolerates wide temperature range for microwave warming, fridge storage and boiling disinfection without releasing toxic substances, ideal for babies switching from bottle to open cup drinking.