Safe Material - Our water bottle tops for kids is made of food-grade silicone material, which is safe, BPA Free and dishwasher safe. Besides, it can be reused and not easily damaged, lasting for a long time. Splash ＆ Leak Proof - The plug of the spout adapter perfectly fits the bottle mouth, so it is tight sealed and leak proof. In addition, with the no spill flow control valve design, the liquid will not splash any more. Wide Adaptation - This water bottle spout fits most of mineral water bottles and beverage bottles in the market. Great for protecting your child's mouth from the hard plastic bottle mouth. Portable ＆ Convenient to Use - The baby spout adapter is portable to take, you can put it in your bag or pocket when going outside. What's more, there is one silicone handle beside the spout adapter, it is very convenient for your toddler to grip. Can Be Written to Mark - There is one silicone piece beside the spout adapter, you can write the name on it with dry erase marker(Not included). Marking can be removed by washing with mild dish soap and water. PATENTED - Patent US 12,221,259 B2 Specification: Product Name: MORLIKE LIVING Silicone Water Bottle Spout Adapter Intended Use: Baby Drinking Material: Food Grade Silicone Some Features of MORLIKE LIVING Silicone Water Bottle Spout Adapter Made with food grade silicone. BPA, PVC and phthalate-free Prevent spills and messes Easy to Install and Tight Sealed 4 Different Colour Soft silicone will protect your baby's mouth and gums Dishwasher safe(top rack recommended) One Piece can be written to mark One silicone handle to grip