The K-Cup pack is a patented, airtight container that locks out oxygen, light and moisture while locking in freshness and flavor * K-Cup packs are compatible only with Keurig K-Cup brewing systems * Keurig Brewed has been dedicated to the art and science of bringing you the coffee you love, every time * Kosher Certification: This product is certified kosher by the Orthodox Union * Ships in Certified Frustration-Free Packaging