Description of Speaker Portable Universal Adjustable Waterproof Insulation Durability Secured
【EAST TO INSTALL】Bike water bottle holder no screws: Easily attach bike cup holder to railing on bicycle, cart, boat without any tools. 【NON-SLIP MATERIAL】The soft silicone particles greatly increase the friction of the bike speaker holder, so you don’t have to worry about the speaker falling off, even on bumpy roads. 【DURABLE & EASY TO CLEAN】Using the polyester fabric, more durable and waterproof than other fabric. Our handlebar water bottle bag is easy to clean and splash-proof in daily use. It is prefect for outdoor bike riding. 【INNOVATIVE VELCRO】The portable bike bottle holder uses the latest technology Velcro, no longer restricts the smallest circumference of bottle and speaker. This adjustable bike strap can tightly hold any bottle or bluetooth speaker with a circumference less than 16 inches. 【MULTI-FUNCTION DESIGN】Great for the bicycle for use on lawnmowers, strollers, at the gym. Ideal for the handlebars of your road, mountain, or beach cruiser bike. Aaccommodate tube on bike, golf cart, boat, walking cart, electric scooter, beach umbrella.