The Everfun Hydration Backpack 18L with Water Bladder 2L/3L is a versatile and practical choice for outdoor enthusiasts. With a capacity of 18 liters and a 2L bladder, this backpack is designed for comfort and functionality. Made from durable nylon polyester material, it ensures long-lasting use. The sleek black color adds a stylish touch, making it a must-have for camping, hiking, and other outdoor activities. Stay hydrated and organized with this reliable hydration backpack from Everfun.