Audubon Park Sunflower Seed features the exclusive FreshLock bag. This breakthrough in airtight packaging preserves the outstanding quality of the food in two ways: FreshLock seals out air and moisture to preserve nutrients. FreshLock is insect-resistant, so you can be sure of clean, fresh seed and grain in every bag. Feed the birds year-round! Thank you for choosing Audubon Park Sunflower Seed! Millions of bird-lovers of all ages recognize Audubon Park as the quality food of choice. We're proud to provide you with consistent products you can trust. If you have any comments or questions about this product, call our toll-free consumer number, 1-888-290-9430, or visit our web site at www.ghfoods.com. Black Oil Sunflower seed is the most popular food with most seed-eating birds. Offering this premium food will attract the greatest variety of songbirds to your feeder. Tips for Attracting Birds: Place one or more feeders at various heights and locations throughout your yard. Birds will come to your feeders more readily from the security of a bush or tree.