Ideal for any outdoor activities and humid climates. With a secret pocket no one will know you have money stashed away inside. Two per set; sealed waterproof pouch included in each sweat band. Material: 80% cotton, 12% spandex, 8% nylon. Dimensions (each un-stretched): 8 x 6.5 x 1.5 cm / 3 x 2.5 x 0.5 in. Weight (each): 15 g / 0.5 oz. Color: Black.