Droll Yankee Dipper Bird Feeder: * Microban antimicrobial technology to fight the growth of damaging bacteria, mold and mildew * Weight-sensitive perches encourage smaller songbirds to eat, while preventing all squirrels from feeding * Each perch is individually sprung and calibrated for birds up to the weight of approximately 2 oz * The heavy metal cap fits snugly on the tube to prevent squirrels from lifting it to reach the seed * The 4-3/4" x 21" long clear feeder tube makes the seed visible to the birds, a proven advantage * Made of UV stabilized polycarbonate, it ensures long lasting durability without yellowing * Length and girth of feeder are designed to prevent squirrels from reaching the seed ports * With a large 5 lb capacity, you don"t need to refill your feeder every day * An internal baffle design keeps seed flowing freely to the ports * Metal cap and feeder base are powder-coated in a rich burgundy that complements any yard or garden * Hang the Dipper securely from its heavy-duty signature looped stainless steel wire which reduces motion * Lifetime warranty against squirrel damage