- Premium Waterproof Material: Constructed from durable, waterproof Oxford fabric, this sports arm bag protects your phone from sweat and rain, ensuring it stays dry and secure during your workouts. The wider, breathable back design minimizes discomfort when adjusting the straps to your arms. - Efficient Double Pocket Design: Features two separate pockets for your mobile phone and keys, preventing scratches and making it easy to organize and access your essentials while exercising. - Customizable Fit: The adjustable arm strap incorporates independent, removable Velcro fasteners along with an elastic design, allowing for a perfect fit on your arm. You can easily adjust the tightness for comfort and convenience when putting it on or taking it off. - Optimal Size for Essential Gear: Measuring 17 x 8 x 3.5 cm / 6.7 x 3.15 x 1.4 inches, the arm bag accommodates mobile phones up to 6.5 inches. It provides ample space for your phone, keys, cash, headphones, and other small essentials, keeping them safe and easily accessible during physical activities. Use Scenarios: 1. Ideal for jogging or running, keeping your phone and keys secure and out of the way while you focus on your pace. 2. Perfect for gym workouts, allowing you to keep your essentials close at hand without the hassle of pockets or bags. 3. Great for outdoor activities like hiking or biking, ensuring you have your items protected from the elements while on the go.