Feature: 1. SAFE AND HYGIENIC: Water bottle twist cover cap with straw is designed with a built in dust proof cover to prevent dust and contamination. 2. EASY TRANSITION: The straw design is perfect for babies and children transitioning from bottle feeding to independent drinking. It allows them to easily sip water on their own. 3. STORAGE COMPARTMENT: Bottle mouth conversion cap comes with a built in straw storage compartment, allowing you to conveniently carry and store the straw when not in use. 4. UNIVERSAL FIT: Water bottle twist cover cap with straw is a versatile accessory that can fit most water bottles. It provides a spill proof and safe drinking solution for various bottle sizes and brands. 5. DURABLE MATERIAL: Made from safe material, this cap is durable and long lasting. It can withstand daily use and is easy to clean. Enjoy a worry free drinking experience for your little ones. Specification: Item Type: Water Bottle Twist Cover Cap with Straw Material: ABS. Package List: 1 x Straw1 x Storage Compartment