Audubon Hummingbird Concentrate Food 3 3Oz Pre Measured Packets, 2 Boxes Of Hummingbird Nectar No preservatives or artificial coloring Each Box includes 3 3-ounce individual packets Each packet makes 15 ounces of instant nectar for 45 ounces of total nutrition No Boiling required, Mixes easily with water for no mess or fuss All-natural sucrose food for hummingbird feeders