Luminous Design: These silicone coasters feature a luminous yellow glow, making them easy to locate in dim lighting and adding a unique touch to your home decor Anti-slip and Waterproof: Crafted from silicone, these coasters provide excellent grip to prevent spills and are fully waterproof for cleaning Versatile Home Use: Perfect for protecting surfaces in your kitchen, dining room, or living room, these coasters are ideal for cups, mugs, and beer bottles Compact and Lightweight: Measuring 3.94 inches in diameter and weighing only 170g per set, these coasters are easy to store and carry for everyday use Material: Made from silicone, these coasters are non-toxic, odourless, and safe for long-term use in any home environment