Designed and made exclusively for the Evolution Trillium and Xpresso models Easily attaches to your Evolution Trillium and Xpresso walker Accomidates various sized beverage containers Durable Easy to clean Stay refreshed while on the move by keeping your favorite drink with you in this convenient and easy to use cup holder. This accessory is designed to hold a wide range of shapes and sizes of beverage containers so it is sure to meet the needs of most people who use the Evolution Trillium and Xpresso walkers.