Make four perfect sticks of butter with the 21UP Magical Butter Tray! Each cavity is 4 ounces each, measuring 16 liquid ounces of herbal butter per tray. Each butter stick is marked with the “21UP” logo and precisely measures 8 tablespoons per stick. These flexible, non-stick, 100% premium-quality silicone 21UP butter trays are food-grade, durable and easy to clean. Make your own candy bars, chocolate bars, granola bars, soap bars, energy bars, cornbreads, and more. Each Butter Tray comes with a lid to transform your silicone shell into a storage container and seals in freshness.