Nineties Nerd Retro Floppy Disk Non-slip Silicone Drink Coaster Set by Modern Coaster Set of four multi-color, realistic, floppy disk coasters Individualized messages provide even more 1990s throwback Perfect conversation starter for geeks, 90s kids, cubicle dwellers, and computer guys Won't scratch wood, easy to clean, and eco-friendly Silicone provides heat resistant barrier for hot beverages like coffee