About this itemFood-grade material, healthier to use: Sippy Cups are made of ultra-durable PPSU material, which is more resistant to high temperatures and BPA-free, making them very safe for babies to use. Our toddler straw cups are so strong that they can withstand a fall from a height. The straw and nipple are made of soft, flexible food-grade silicone that is bite and pull resistantWith 100% leak-proof: drink with peace of mind: the bottle cap is designed with 4 layers of impermeability, so it will not leak even if the bottle is inverted. There is a gravity ball at the end of the straw, so the baby can drink easily even when lying downEasy to clean: the bottle opens wide and can be easily put into any object. It is also easier to clean. There are markings on the cup so you can clearly know how much water your baby has drunk. Each part can be disassembled and cleaned separately.Cleaning is more convenient and hassle-free: all parts can be disassembled for boiling, making cleaning a breeze. Makes a great gift for boys and girls ages 6-18 months If you have any after-sales problems, please let us know in time, we will tailor a satisfactory solution for you.