Seat Sack Cup Holder - Horizontal, Vertical - 3.5" Height x 6" Depth - Composite - Black - Adjustable Clamp, Expendable Base, Clip-on, Pivot, Non-slip, Textured, Removable, Swivel, Durable - 25 / Carton

Versatile, clip-on cup holder securely and easily attaches to vertical, horizontal or diagonal bars for easy access to beverages. Use on a desk, chair, table, music stand, walker, scooter, bike or wheelchair to hold bottles up to 2-1/2" in diameter. Lined with a nonslip, textured material, the strong clamp tightens with a simple twist knob for hassle-free installation on any bar measuring between 1/8" to 1-1/2" in diameter. Swiveling base allows the drink holder to be placed at any angle. By using this clip-on cub holder, students can avoid long trips to the water fountain to stay engaged and learn with their water ready at their desks. Cup holder helps avoid accidental spills, tips and slips and keep important technology equipment, homework and papers safe from drinks and spills.