Description: Easy to Clean and Reusable: Our Bottle Adapter is designed for easy cleaning and can be reused multiple times, making it eco friendly choice for your water bottle needs.Enhance Your Water Bottle: This adapter adds a touch of excellence to your water bottle, making it more functional and convenient to use.Simple Installation: The Water Bottle Adapter is easy to use, simply install our adapter onto your bottle, then install the lid onto the adapter. It Is that Simple!Ideal for Gifts or Personal Use: Whether you're looking for a practical gift for personal use, our cup adapter is a great choice.Versatile Compatibility: Made from reliable plastic silicone material with a size of 7.2cm/2.83inch, this adapter fits various sizes including 12oz, 18oz, 26oz, 36oz, 46oz and 64oz bottles. Specification: Material: Plastic Silicone Size Chart: 7.2cm/2.83inch Package Includes: 1 Bottle Adapter Note: Please allow slightly errors 1-2cm differences due to manual measurement.