Includes all necessary universal mounting hardware to mount on either the left or the right side. Fits side by side with the Sand Bucket, the Six Pack Cooler, or Club and Ball Washer. Sand Bottle with or without handle are interchangable. Comfortable, smart design makes bottle easy to grasp screw on bottom lid with threaded slots that prevent sand from collecting in threads. Raised vertical lips on outside fall to bottom preventing stuck bottles. Extremely durably body with high UV protection. Mounts closely to seat back inside passenger compartment to keep rain out of sand. Fits existing Yamaha sand bottle holder, interchangable for easy using Yamaha sand bottle.