Sports arm bag

1、The use of encrypted Oxford cloth fabric, oil-resistant waterproof rubber layer, effectively block sweat penetration during exercise. 2、The back is made of breathable fabric, which absorbs moisture and wicks away perspiration, keeping it cool and refreshing. 3、Reflective design,it is much safer in night running and cycling. 4、The contact area between the bag and the arm is large, and it is not easy to shake. 5、Adjustable design, suitable for most people, can be tied to arms and wrists. Fabric: Reflective Waterproof Oxford Fabric Arm circumference: about 20-38cm Size: about 18 * 9cm, suitable for mobile phone with a length less than 16cm 10cm = 100mm = 3.94inch Features: Large contact area between bag and arm, not easy to shake Applicable scenes: running, cycling, mountain climbing, fitness, yoga, sports, etc. 1 pcs Arm Bag