A freezable bottle bag keeps your drink cold for the entire trip and even longer. This long cooler bag keeps your drinks cool at the beach and sparkling wine fresh for your May Day picnic. You can also pack a salad or dessert in a jar and keep it cold in the bag. Let the bag cool overnight in the freezer and it will be ready to use in the morning. Made of durable 420D nylon, the bag is 11 cm in diameter and 30 cm high.