Check the listing for details. 1 HUMMINGBIRD FEEDER ANT TRAP GUARD MOAT SOLID COPPER ! Made in USA !. Color: copper, Condition: New. Listed at 4.88 USD. If you are looking for a quick, easy, safe, and natural way to stop ants from invading your hummingbird feeder look no further ! My elderly father makes the perfect solid copper ANT MOAT that only requires a few drops of any cooking oil. Just place about a 1/4 inch of your any cooking oil in the copper cup & place the moat between the hook & your feeder & thats it ! ANTS CANT & WONT SWIM SO ONCE THEY REACH THE OIL THEY WILL TURN BACK UNHARMED, ITS JUST THAT SIMPLE.. Our ant moats are 4 inches long and about an inch wide please see pictures, they are made of solid copper so they wont rust or corrode & will last for many years ! PLEASE NOTE ! We suggest using cooking oil instead of water because water evaporates & the oil lasts We Charge $3.98 SHIPPING But the reality is they are almost all around $4,12 For Each Package We Ship Out Because We Do Use USPS Priority Shipping So They Get To The Customer As Fast As Possible