Leak proof & Portable silicone, this water bottle cap is dishwasher safe and ensures a tight seal to spill With its easy installation and removable design, this water bottle cap allows for cleaning and marking Great for Outdoor Activities and Travel Whether you ' re hiking, campings, or simply running errands Suitable for Toddler, Kids, and Adults This water bottle cap is perfect for kid, providing a safe and comfortable drinking Water Bottle Cap Protect your kid mouth with silicone bottle tops adapter, designed to fit most standard water bottles