Designed for bigger insulated cups, plastic water bottles or steel coffee cup, Level Cup XL keeps your drink upright, regardless of the conditions. This kit includes a Level Cup XL with an integrated Tough-Claw™. This allows for toolless removal and adjustments on any rail or flat bar. Can attach to any surface from flat through a 1.5” railing. The oversized opening cradles the biggest of gulps and the adjustable bottom piece moves up and down to accommodate taller cups. The rubber feet flex to fit various size cups as well.