UPGRADED WATER BOTTLE HOLDER FOR BIKE: We have increased the length of the bike bottle holder strap to 9 inches to accommodate more thicker tube on bike, golf cart, boat, walking cart, electric scooter, beach umbrella.NNOVATIVE BIKE DRINK HOLDER VELCRO: water holder for bike uses the latest technology Velcro, no longer restricts the smallest circumference of bottle and speaker. we adjustable bicycle water bottle holder can tightly hold any bottle or bluetooth speaker with a circumference less than 16 inches.NON-SLIP MATERIAL: The soft PU leather particles greatly increase the friction of the water bottle bike holder, so you dont have to worry about the speaker or bottle falling off, even on bumpy roads.BICYCLE BOTTLE HOLDER NO SCREWS: Easily attach mountain bike water bottle holder to railing on bicycle, cart, boat without any tools.PACKAGE INCLUDED: water bottle holder for kids bike only. (speaker and other accessories are not included.)