About this item High quality materials: The bus water bottle with straw is made of environmentally friendly food grade PC, ABS and silicone for healthy everyday drinking. Cute styling: This water bottle features a cute cartoon bus shape that makes a difference. With a capacity of 17OZ to meet daily water consumption and movable wheels at the bottom, it can be used not only as a water cup but also as a toy. Leak-proof & portable: Portable water cup in bus shape has a safety lock and is absolutely leak-proof. It can be unlocked by flipping it upwards and locked by flipping it downwards. The pop-up design maintains a neat and tidy bottle and is easy to use. Adjustable shoulder strap: This cute bus water bottle comes with an adjustable shoulder strap for adults and children. The cute shape makes it easy to travel with the desire to carry it around again when you go out. Ideal gift: This bus water bottle with wheels is the ideal gift for your children, yourself, friends and family, they will love it.