Compatibility: Specifically designed to fit the B.Box insulated drink bottle, ensuring a secure and snug fit. Twin Pack: Comes as a set of two replacement straw tops, providing convenience and value for money. Silicone Construction: Made from silicone material, ensuring durability, flexibility, and safety for everyday use. Spill-Proof Design: Features a spill-proof construction to prevent accidental leaks and spills, ideal for on-the-go hydration. Easy Drink Straw: The included straw offers an easy and convenient sucking action, allowing users to enjoy their beverages effortlessly throughout the day. Environmental Impact: Sold separately to minimize unnecessary spare parts, reducing environmental impact and promoting sustainability. The B.Box Insulated Drink Bottle Replacement Straw Tops offer a practical and eco-friendly solution for maintaining the functionality of your B.Box drink bottle, ensuring long-lasting use and enjoyment.