Traveling along with little ones in tow doesn’t mean sacrificing all the comforts of home. The Cup Caddy fits perfectly on all of Diono's all-in-one convertible car seats. With a click and a twist, the Cup Caddy stays securely in place. Deep sides keep cups or small toys safely in place. In fact, each of these car seats can hold up to two! We’ve thought of everything so you don’t have to.