Color: Black. Material: Polyester. Size: Approximately 45 x 15 x 3.5 cm. Adjustable strap and water-resistant design suitable for various outdoor activities such as jogging, hiking, running, cycling, traveling, and fitness. Large capacity with discreet side pockets for added convenience, capable of holding items like headphones or keys. Helps keep your belongings secure and protected. Ideal for carrying essentials such as money, mobile phones, pens, passports, MP3 players, and headphones. Great gift choice for friends, family members, fitness partners, personal trainers, travel companions, workout buddies, and yourself. Warm Tip: Due to lighting effects, monitor brightness settings, and manual measurement, there may be slight variations in color and size between the photo and the actual item. We appreciate your understanding.