This ceramic coaster brings a bold, hypnotic edge to everyday moments. A high-contrast black-and-white optical star radiates from the center, creating a dizzying, kaleidoscopic focal point that catches the eye and sparks conversation. The smooth ceramic surface resists stains and wipes clean in seconds, while the cork backing keeps mugs steady and surfaces safe from scratches and rings. Sized to fit both round and square drinkware, it handles hot coffee or an iced drink with equal confidence. Handmade-quality feel with reliable durability—this coaster turns a small daily ritual into a striking visual experience. Product features - Premium white ceramic face for crisp, detailed print - Non-slip cork backing protects surfaces and reduces spills - Durable and easy-to-clean — wipes clean after use - Works with hot or cold beverages without damage - Compact sizes: Round 4.06" or Square 3.94" for versatile placement Care instructions - Gently wipe the dirt or dust off with a clean, dry microfiber cloth