We have Seresto Collars made by Elanco for $42.00 with free shipping. These are actual, not knockoffs. The security bands are intact, and the collars have the serial number that matches the metal container, proving they are real—100% MONEY BACK GUARANTEE. WE GET THEM ALMOST WEEKLY AND SELL WHOLESALE TOO! CALL US IF YOU NEED MORE!  NEED MORE THAN TWO?  CALL US FOR A DISCOUNT!