The Nostalgia Margarita Oasis 400 Frozen Drink Machine Ice Reservoir Replacement is a clear plastic ice tray designed for the Nostalgia MOS-400 model frozen drink machine. This replacement part is essential for keeping your frozen drink machine in top working condition by providing a continuous supply of ice for your beverages. Perfect for those who enjoy making homemade smoothies or cocktails, this product ensures you always have the ice you need to keep your drinks cold and refreshing.