About this itemMug Stacker is an adjustable stacking device that organizes kitchen cabinets by stacking mugs and cups in a narrow fashion, thus saving space on your cupboard shelf.Drinkware Stacker takes advantage of unused airspace in kitchen cabinets between your mugs and the shelf by lifting your cups and mugs on top of each other without the risk of chipping or breaking them, utilizing the area that would normally go to waste. Its like discovering a whole new cupboard.One size fits all, Large and Small. Mug Stacker's expandable legs make it totally adjustable to fit most of the sizes and shapes of coffee mugs, cups, and glasses in your kitchen cabinet, pantry cabinet, or under sink organizer and storage.Very easy to use, just place one Stacker on top of a coffee cup, then set another one upside-down, right on top. Give the Stacker a gentle squeeze to adjust to the size, and your coffee cups are safe and sound, in just the right amount of space. Very practical kitchen organization and storage gadget.This cabinet organizer is a great alternative to a wire shelving unit due to its positioning flexibility in minimalistic space usage. Use them in the corner cabinet, inside a spice rack cabinet, or pantry for organization and storage. If you're looking for an alternative to mug hooks to lift your teacups, or your current cup or mug holder, look no further and make your mugs stand safely.