Enhance your active lifestyle with this premium Reflective Waterproof Arm Bag, crafted from encrypted Oxford cloth fabric combined with an oil-resistant waterproof rubber layer to effectively block sweat penetration during intense exercise. Designed for comfort and functionality, the back features breathable fabric that absorbs moisture and wicks away perspiration, keeping your skin cool and dry throughout your workout. Key Features: · **Durable Waterproof Material**: Made with high-quality encrypted Oxford cloth and a waterproof rubber layer, providing excellent resistance against sweat and water, ensuring your belongings stay dry and protected. · **Breathable Back Fabric**: The breathable material on the back promotes moisture absorption and quick perspiration evaporation, enhancing comfort during prolonged use. · **Reflective Safety Design**: Equipped with reflective elements to improve visibility and safety during nighttime running, cycling, or other outdoor activities. · **Secure Fit with Large Contact Area**: The arm bag features a wide contact surface with your arm, minimizing movement and preventing shaking while you exercise. · **Adjustable and Versatile Fit**: Designed to fit most users with an adjustable strap suitable for arm circumferences between 20cm and 38cm, it can also be worn on wrists for added convenience. · **Perfect Size for Essentials**: Measuring approximately 18cm x 9cm, this bag comfortably fits mobile phones up to 16cm in length, along with other small personal items. Specifications: · Fabric: Reflective Waterproof Oxford Fabric · Arm Circumference: Adjustable from 20cm to 38cm · Size: Approx. 18cm x 9cm (Fits phones under 16cm length) Applicable Scenes: Ideal for running, cycling, mountain climbing, fitness, yoga, and various other sports and outdoor activities, this arm bag offers a practical and comfortable solution to carry your essentials securely while staying visible and dry. Stay safe, dry, and comfortable during all your workouts with this versatile Reflective Waterproof Arm Bag designed for active individuals.