4in1 multifunctional cart dining tray with double tray, cup holder, and phone holder. The phone holder can adjust to horizontal or vertical orientation for versatile viewing. Scientifically partitioned design to help babies develop good eating and organization habits, with clear zones for different items. Enlarged and deep tray space to hold toys, snacks, water bottles, and mobile phones, providing practical storage and quick access. Double buckle installation for a tight, stable clamp that does not loosen during use. Mounting is secure and does not affect adjustment or the use of the push handle. Made of quality ABS material, environmentally friendly and healthy, safe for baby contact. Compatibility and use: designed to attach to a cart or stroller with a push handle, offering a stable dining surface without interfering with steering or handling. Use scenario 1: during outdoor stroller walks, attach to the push handle to keep snacks, a cup, and small toys within reach; the adjustable phone holder can be oriented for entertainment. Use scenario 2: in restaurants or shopping trips, use as a dedicated baby dining tray to separate snacks and toys, helping keep meals organized and oriented. Use scenario 3: at home or daycare, deploy on a cart or stroller for quick mealtime setups or playtime organization, enhancing convenience and habit formation.