Material: MeshName: Bicycle car tube audio bag, car tube network bag, golf cart audio bagSize: 20*10*9cm Touch screen size: 16*8.3cm Suitable for mobile phones under 7 inchesFunction: Three-point fixing, more firm Bottom carbon fiber fabric is non-slip and scratch-resistant The double-sided mesh pockets are breathable and can ensure the sound volume is released. The inner elastic cord is fixed to ensure the sound firmness The top mobile phone face design, touch screen face, movement and navigation at the same time