Nectar Dots - Double Hanging DOTS This hummingbird feeder is made of bright red recycled poly lumber that will never fade or crack and constructed with stainless steel screws. This feeder includes 4-large 2 oz. DOTS, 2 for the feeder and 2 for storing in the refrigerator. The DOTS are made of BPA Free and FDA Compliant Food Safe Polypropylene. Made in the USA!