Package Included: 2 x Kayak Track Mount Cup Holder (Note: Kayak track is not included in package) Important Note: Kayak track is not included in package, the pictures in the listing is to let customers know that this is a kayak track mount install cup holder. MAKE LIFE EASIER: No more lost of spilled drinks. No more chasing my drink jug around the floor of my kayak. Perfect for long days of paddling or kayak trips. INSTALLATION: No Drilling, No Tool needed. insert gear track stud into gear track, slide to the desired position, and twist cup holder until rubber grommet is tight on the rail. MULTIFUNCTIONAL: Phone holder and cup holder. Big enough for most cups and bottles but also a great open container to hold misc. Want A Cold Drink While Kayaking On Water? This cup holder is large enough for a can with a coozie that will keep your ice-cold water secure and within reach on the water all day. Perfect For Long Days Of Paddling: This cup holder is so large that it can even hold a 40oz bottle. If you like kayak trips or want to stay on the water for a long time, you will need this cup holder! It can help you to stay hydrated when on the water. Was there a chance the drink could fall out from the cup holder while on the water? Don't worry, it holds a drink perfectly! Sure it's a little wide, but it is also tall enough where you don't have to worry about a drink falling out. You will like how big it is because you can put a wide variety of drinks into it.