• 20 INCH • 1 1/2 openings let songbirds in and keeps pesky squirrels out. • The feeder can be hung or pole mounted. • Wire bottom prevents debris build-up and there is not a collection area for attracting squirrels. • Uv stabilized polycarbonate tube; stainless steel wire; spring clamp; sheltering dome 14 3/4 cover 20 long 10 diameter. • Made in the usa and covered by the droll yankees lifetime warranty.