This is an updated belt bag for many sports Adjustable elastic carrying strap, reflective strap Suitable for night walks, cycling, travel, hiking, camping, walking, running, cycling, etc. Reflective strips at night The front of the belt bag is designed with reflective strips, so adults and children don't have to worry about safety while running, cycling, and other activities at night. The 20x11 cm belt bag is equipped with a durable zipper that ensures that your valuables are securely stored inside. Suitable for large smartphones, iPhones, Samsungs, etc. Wear-resistant and waterproof The belt bag is made of nylon, so even if it rains, the contents of the kidney will not get wet. The seams have been tested for strength and resistance to abrasion and tearing. The back mesh is thickened with gaskets that are breathable and absorb sweat and keep you dry during exercise. Adjustable belt with buckle Range: 70-150 cm. The waistband is soft to the touch and fits well. Silicone anti-slip design The unique non-slip design on the back is breathable and more non-slip. Do not worry that the sachet will fall off during exercise.