Metal doublehook shower curtain rings — 12pack Key benefits Hold curtain and liner together: Doublehook design lets you hang both shower curtain and liner on a single ring, preventing liners from slipping and keeping the curtain properly aligned. Smooth, effortless movement: Builtin spherical rolling balls glide along the rod so curtains open and close easily with minimal force. Ready for most bathrooms: A set of 12 fits standardsize shower curtain rods, covering most common shower and tub installations. Simple, fast installation: Metal rings are easy to put on and remove for quick setup, cleaning, or curtain changes. What makes this product useful Function and performance: Double hooks secure two layers (curtain + liner) while roller balls reduce friction for quiet, reliable gliding. Compatibility and quantity: Twelve rings are sized for standard shower rods and provide the typical number needed for full curtain coverage. Material and durability: Metal construction gives a sturdy, long‑lasting mounting solution that is easy to handle when installing or removing curtains. Practical use scenarios Home bathroom refresh: worn or missing hooks to restore smooth curtain operation and keep liner and decorative curtain aligned. Rental or guest bathroom: Quickly swap out liners or curtains between guests without tools; rings are easy to remove and reinstall. Quick maintenance and cleaning: Lift the curtain and liner off the rod in seconds for washing, then reattach using the same rings—no complicated hardware. Simple installation Slide the rings onto the rod, hang curtain and liner on the two hook loops, and the roller balls will allow smooth motion. Removal is equally straightforward for laundering or replacement.