The Utility Band M004 uses a velcro fastening mechanism for an easy. comfy fit. Whether you're wanting a gym buddy or a fashion statement. this strap has your back. It's superior in durability and quality with its nylon blend construction. Providing comfort and allowing your wrist to breathe throughout your busy day. grab yours today while stock lasts.- Adjustable strap- Velcro closure- Pull tab- Elasticated band- Lightweight- Sweat wicking- Material: 60% Nylon/20% Spandex/10% Polyester/10% Thermal Fuse- Colour: Grey/Green/Orange- Style: SMUB004