21UP Square Trays: The World's First Silicone Trays Marked for Medibles Features MagicalButter's 21UP Molds clearly identify medicated foods as "for adults only". Our flexible, nonstick silicone provides a premium mold surface for baked goods, gummies, and other candies. Easy to clean, dishwasher safe Stain and odor resistant Super tough, durable silicone Clear 21UP mark keeps parents and children safe