Exo Terra's Worm Dish (Mealworm feeder) allows reptiles to see their food but the specially designed edge ring prevents the mealworms from escaping. Vitamin and mineral supplements can be easily added to the dish, and any excess powder can be reused. The Exo Terra Worm Dish is constructed in two parts to facilitate cleaning. - No Mess - Saves valuable supplements - Specially designed edge ring prevents escape - Natural look - Easy to clean