General description The Boat Rail Cup Holder is a universal drink holder designed for easy installation and maximum convenience on various types of boats. Made from durable ABS plastic, this cup holder features an adjustable clamp with anti-slip rubbers, ensuring a strong grip and stability for your drinks, preventing spills while you enjoy your time on the water. Technical specifications Material: ABS plastic Color: Black Package Contents: 2 x cup holder Measurement allowed error: +/- 1-3 cm Compatibility and accessories Compatible with various boats including Yacht, Pontoon boat, Bass boat, Jon boat, and Kayak Can hold different size bottles, coffee cups, beer cans, and glasses Installation Easy to install with a clamp-on design, no tools or drilling required Mounts on boat aluminum rails, poles, or bimini top rails Usage Holds drinks securely while preventing spills Can also hold miscellaneous items such as suntan lotion, fish pliers, hand wipes, and lures