This is a human-grade jelly in a 20 oz squeeze bottle that makes filling all jelly feeders easy. Bird berry jelly is made of grape juice, concord grapes, blackberries and pure granular sugar. Compare to normal grocery labels and you'll see bird berry is a higher quality that's better for the birds guarded unique grape/blackberry jelly recipe attracts more birds and keeps them hooked on bird berry as their favorite. No preservatives or additives. No corn sweetener products. Lower sugar levels, more fruit.