The bright red color attracts the most inquisitive hummingbirds. With easy-to-fill wide-mouth nectar jar reservoirs and two-part bases, the First Nature 32 oz. hummingbird feeders are the easiest nectar feeder on the market to fill and clean. The feeding ports accommodate several hummer's at a time. With First Nature Hummingbird Nectar Concentrate, you can mix the correct proportions right in the feeder jar. Feeders can be hung from hook or limb by the included S-hook. Dimensions are 7.00 inches x 7.00 inches x 9.25 Inches.