This is an adjustable drink holder designed to fit wheelchairs, walkers, and rollators using the SnapIt! Mounting System. This cup holder features articulating arms that let it adjust to fit both large and small beverage containers. These small and large beverage containers include, but aren't limited to, bottles, cans, and mugs. This product is made of incredibly durable high density polyethylene material that won't ever break. If somehow this device does break, simply utilize the warranty to get it repaired or replaced at no cost (just pay shipping).