These water bottle caps feature an easy to carry design that fits most standard small bottles Perfect for travel and daily use Made from and silicone, these caps are more practical than standard caps, available in multiple colors to suit your styles Designed with a spill proof structure to unwanted leaks, keeping your bag dry and tidy during commutes, workouts, or outdoor activities Comes with a storage bottle for easy carrying and organizing, making it perfect for frequent travelers and those who need quickly cap changes The unique anti choking feature ensures a safe and comfortable drinking, especially ideal for children and the elderly who need extra protections