There is no doubt that our product is convenient to wear or take off because it has the design of high-viscosity connecting belt, which it can fits your arms tightly without falling. With a stylish and versatile double-pocket design, it can easily store your belongings. The grid design in the back allows you to feel breathable when you use it. It is made from oxford cloth and polyester, is durable to use. The height of the product is 18 cm, the width is 9.5 cm and the thickness is 4 cm. The arm bag is suitable for outdoor activities such as cycling, mountain climbing, running, etc. Item Name: Arm Bag Material: Polyester,Oxford Cloth Features: Unisex, Breathable, High Elasticity Color: Black, Blue, Red, Gray Size Details: 18cm x 9.5cm x 4cm/7.09" x 3.74" x 1.57" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Arm Bag