Seat Sack® Clip-On Cup Holder — Desk, Chair & Wheelchair Mount Keep beverages safely off desks, books, and tech equipment with the Seat Sack® Clip-On Cup Holder — a versatile, tool-free drink holder that attaches in seconds to virtually any surface with a tube or edge. Ideal for students, office workers, and anyone who needs a secure, at-seat beverage solution. Fits desks, chairs, tables, music stands, wheelchairs, walkers, rollators, strollers, scooters, bikes, carts, and most mobility aids. Available in Regular and Extra-Large sizes to fit everything from standard water bottles to wide tumblers. The swivel base allows the holder to be positioned at any angle for easy access, and the removable design means it can move from class to class and be reused year after year. Save when you buy in bulk — available as a Bundle of 10 or a Classroom Pack of 25. Key Features Universal clip-on mount — attaches to desks, chairs, tables, music stands, wheelchairs, walkers, strollers, scooters, carts, and most mobility aids Tool-free installation — pivot the clamp, place around tubing, tighten the twist knob Non-slip clamp lining — textured interior grips bars from 1/8" to 1.5" in diameter securely Expandable cup holder base — fits water bottles, cans, cups, and tumblers Swivel base — positions at any angle for convenient access Removable and reusable — move it from class to class, year after year Two size options — Regular and Extra-Large (see specs below) Durable composite material — easy to wipe clean with a damp cloth or disinfectant wipe Age recommendation: 3 years and above Specifications Total length: 6" Cup holder height: 3.5" Regular base diameter: 1.5" to 2.5" (expandable) Extra-Large base diameter: 2.5" to 3.5" (expandable) Clamp capacity: Expandable up to 1.5" Material: Composite Care: Wipe with damp cloth and mild detergent or disinfectant wipe How to Attach Pivot the clamp to rest vertically or horizontally based on your installation surface Place the clamp around the tubing or edge Tighten the twist knob at the base of the clamp
