Best Eggs Ever! (TM) isa proprietary blend of all natural herbs. SAFE FOR COOPS: Mix of all-natural nesting herbs for chicken coops and houses. Perfect for anyone looking for an herbal chicken treat supplements or all-natural poultry supply. EASY TO USE: Spread around your chicken coop or mix with nesting box bedding.Convenient resealable bag for easy storage. 100% ALL NATURAL & NON-GMO: Chickens love the scent of calendula, rose petals, alfalfa, oregano, basil, rosemary, chamomile, and lavender. Easy to pour so your hens have 24-hour access. OYSTER SHELLS PRE-MIXED IN: Crushed oyster shells are already mixed in.