Features: Crafted from food-grade silicone material, our water bottle tops for kids is safe, BPAFree and dishwashersafe. It can be reused and not easily damaged, lasting for a long time. Our silicone water bottle attachment boasts a superior leak proof and no spill flow control valves design, preventing messy spills and ensuring a hassle-free experience. Our toddler water bottle toppers fitsseamlessly onto a wide range of standard water bottles (28mm) in the market, allowing you to transform your existing bottles into child-friendlyoptions effortlessly. Great for protecting your child's delicate mouth andgum from the hard plastic bottle mouth. Our spout adapter is lightweight, compacts, and easilyfits into your diaper bag or backpack when you are on a family outing, traveling, or simply on the move. The easy grip handle makes it incredibly convenient for parents and babies to hold and carry the bottle. Our water bottle adapter features a round siliconetag that can be easily written on using a dryerase marker(Not included), which makes it convenient for labeling and personalization. Marking can be removed by washing with mild dish soap and water. Specifications: Material: silicone Note: Please allow 1 to 3cm error due to manual measurement, please make sure you do not mind before you bid, Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1xWater Bottle Cap