Give The Birds All The Energy When The Weather’s Cold With Our High Energy Balls Made From 100% Natural Ingredients & Enhanced With High-energy Sunflower Seeds, So Tasty For The Birds.keep Them Well Fed Over Winter With These Peckish 100% Natural Energy Balls To Keep Birds Alive. The Fat Is High-energy & Calorific To Keep Birds’ Metabolism In Full Working Order- So Important For Maintaining Body Heat Through The Colder Months.simply Pop The Energy Balls Into The Free Click-top Feeder. Simply Twist To The Right To Release & Fill Your Feeder. Replace Lid By Twisting The Lid To The Left. Your Feeder Comes With A Hook To Hang Up On A Perch Or Branch Or Hook If You Have A Free-standing Bird Station.