1. Adjustable sticker design, you can adjust the size yourself;
2. Pocket design can apply to a variety of screen mobile phones;
3. Neoprene material for add the heat and sweat in your bicep area. Suitable for all kinds of sports: For example, running, fitness, rope fighting, weight training, cycling, dancing, gym, yoga, walking or wearing it at home will become indispensable on your way to lose weight.