LINAFIRST@ Outdoor sports arm bag men and women running arm bag wrist bag mobile phone arm bands Armbands FOR IPHONE 6 and samsung cellphone fit for cellphone 4-5inch (Black) Sports running outdoors Special waterproof phone armband Sports outdoor projects: travel Comfortable, softly diving base cloth, no friction, deformation Laminating, humanized adjustable high elastic bandage design, precision laminating, prevent fall off, easy to wear Enclosed zipper, effectively prevent the hook