This fashional sportive cellphone pocket is made of EVA neoprene with foam padded. Detailed desc is as below: * Size of the cellphone pocket after expanding: 9"Lx3"Wx1"D; Size of the band around the arm: 18.5"L x2"W * can adjust the length of the band by adjusting the buckle to fit your arm * It is convenient for you to answer the phone while you are exercising, which makes you look fashional & energetic * Black, Red, Royal Blue available * silk screen imprint[...]