Yes, for your small dog you can buy this:
https://de.petbucket.com/p/9436936/simparica-trio-for-dogs-28-55-lbs-125-25-kg---6-pack.html
and for the other one this:
https://de.petbucket.com/p/9436941/simparica-trio-for-dogs-111-22-lbs-5-10-kg---6-pack.html
By Elizabeth G. am 20.11.2014