Hand Painted Whirly Bird They swirl around and bob up and down with the slightest breeze. Best displayed in a sheltered area to protect from the wind. Take inside in Winter. Made of durable weather resistant PVC Approximate size is 24" x 6" Balances easily atop a 36" metal rod which comes with your purchase of a whirlybird. Will sustain winds of up to 25mph. A flock of 3 whirly birds will create an artistic focal point to any outdoor space, so consider ordering at least that many.