Designed for large drinks up to 3.75"/95mm in diameter including cups, mugs, glasses, koozies, and tumblers. Attach using the provided two straps and tighten snugly to secure. For a more permanent attachment, a plastic cable-tie can be used. The position can be swiveled around the RoboCup for ideal placement. Tall 4"/101mm wall height holds drinks securely and the top rim has a wavy design allowing access for shorter drinks. Built with a robust thick wall design with UV-stabilizers added for longevity.