Frank Lloyd Wright Oak Park Skylight Coasters

The natural stone is highly porous, which allows it to quickly wick away moisture from cold glasses. It effectively traps condensation on the surface, preventing it from pooling or dripping onto your furniture.

Yes, the cork backing provides a soft, non-slip grip that keeps the coasters securely in place on most surfaces, including wood, glass, and laminate, while also protecting against scratches.

Each coaster measures 4.25 inches square, which provides ample surface area for standard glassware, coffee mugs, and tumblers. They are generally large enough to accommodate most common drinkware.

Because the stone is absorbent, it can stain if dark liquids like red wine or coffee are left to sit. To clean, gently wipe the surface with a damp cloth and mild soap, then allow them to air dry completely before using them again.

While the stone material is naturally heat-resistant and can handle hot mugs, the cork backing is designed primarily for scratch protection. It is best to avoid placing extremely hot cookware directly on them to preserve the integrity of the materials.