It is a fine barley powder made by finely grinding 100% bird feed oyster shells. 

High-temperature sterilization products over 700 degrees Celsius. 

Contains large amounts of minerals and calcium. 

Recommended animals: Pet birds, parrots, quails, chicks, hermit crabs, snails

WARNING : 

NEVER allowed to feed PEOPLE, 

DON'T FEED IN TO THE PERSON, 

IF YOU'RE HUMAN, DON'T EAT THIS PRODUCT.