The audio mount is easy to carry and set up, light and compact, no need to install with tools/screw. Easily fixing water bottles, drink, audio, tools, radio, clothes, etc. Made of high-quality nylon material. Non-slip material; Three fastener straps; keep mounting your accessories very securely on to the cart railing. Thoughtful non-slip strap design keeps mount and speaker securely on railings ground. Adjustable Straps is portable for many accessories like drinks, water bottle. Easily attach to bike, cart, boat without any tools. Material:nylon colour:black Package Contents: 1 * Bike Water Bottle Holder Straps Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. The audio mount is easy to carry and set up, light and compact, no need to install with tools/screw. Easily fixing water bottles, drink, audio, tools, radio, clothes, etc. Made of high-quality nylon material. Non-slip material; Three fastener straps; keep mounting your accessories very securely on to the cart railing. Thoughtful non-slip strap design keeps mount and speaker securely on railings ground. Adjustable Straps is portable for many accessories like drinks, water bottle. Easily attach to bike, cart, boat without any tools.