Add a luminous, arts-and-crafts touch to your cabinetry with the Aquila Art Glass Bubbles Black Square Knob. Handcrafted glass character, shaped into a clean square silhouette.

The Aquila Art Glass Bubbles Black Square Knob brings studio-made style to your doors and smaller drawer fronts, featuring the Bubbles Collection’s signature trapped-air look suspended inside art glass. In rich black, it reads elegant and grounded—while still delivering that unmistakable “look closer” artistry.

• From Aquila Art Glass’s Bubbles Collection, known for trapped air-bubble detail inside the glass
• Square knob silhouette in a black glass look for standout, arts-and-crafts character
• A refined accent choice for cabinet doors and smaller drawer fronts