These High Energy Fat Balls Will Attract An Array Of Birds Such As Robins, Finches, Wrens, Sparrows, Siskins, Starlings & Titschock Full Of Goodness, Fat Balls Are Indispensable During The Winter & Breeding Seasons When Birds Really Need The Instant Energy Boost That Our Fat Balls Provide. Heavy & Long Lasting, The Fat Balls Are Supplied In A Tub Of 50 & Can Be Placed On The Ground Or In Our Suet Ball Dispenser, Or Even Crumble Into Your Own Bird Food Recipe.fat Balls Supplied In Tubs Of 50appeal To A Wide Range Of Birdsideal For Winter & Breeding Season Feedingprovide Birds With A High Calorie Snackfat Balls Safer For Birds When Unnetted approx. 7cm Diameter