Adjustable Clamp-On Cup Holder for Desk

This is a portable and adjustable cup holder designed to attach securely to the edge of a table or desk. It features a foldable design with an expanding ring mechanism to fit various cup, mug, and bottle sizes (up to Ø80 mm). The clamp system includes a non-marring rubber pad for surface protection, making it safe for use on wooden, glass, or metal desks. The screw mechanism ensures firm locking, while the foldable arm helps save space when not in use. ✅ Perfect for students, home office, or wo…

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