Arm circumference: 23*38cm
A new mobile phone adjustable arm fashion bags. Around your arm when jogging, walking, or even spend time in the gym. By neoprene texture ability as long duration, solid Velcro tape. The case of this unique and elegant designed to protect and fully suitable for your precious cells. It can protect your phone from scratches, dust, fingerprints, and other daily damage and dangerous elements. Provide an excellent comprehensive protection of your mobile phone. Light weight, sports, fashion unique design. Washable and easy to remove. Soft, comfortable, adjustable belt armbands with soft and durable nylon material. It makes your mobile phone security protection and super Velcro strap. Keep a safe super Velcro band, can be adjusted to 9 inches arm size 16.5 inch.