PREMIUN QUALITY ANT MOAT:Our large hummingbird feeder ant guard is built-to-last, heavy duty,and made from sturdy plastic, never quickly break and crack.it performs better in all weathers. SAFE FOR HUMMINGBRIDS & ORIOLES:All hummingbird ant guards are lead-free and toxic-free. Ensure the safety of hummingbirds and others animals. No harm to your birds or other tiny animals. EXTRA LARGE CAPACITY :Our ant motes stopper for hummingbird feeder has a big opening. Keeps large carpenter ants out, less refilling on hot summer days and easy to clean!The Full length of hook is 6.29 inches,height of the cup is 2.36 inches, and the caliber of the cup is 2.16 inches.It can hold 2oz in the ant guard. NO ANT & EASY:Keep hummingbird feeders for outdoors hanging .Simply hang the cup pointing upwards, fill the vegetable oil or water to the cup, hang it on your hummingbird oriole feeders.As long as you keep the moat filled, you should be ant-free LEAKPROOF DESIGN:The bottom of the metal hummingbird feeder moats ant traps is solid and hard, will not leak and long lasting, large open hook could fit for all hanging handheld hummingbird feeders and feeders. package includes 4 ant moats and 4 hummingbird brushes.