Protect your pup from the four most common parasites with Nexgard Spectra Chewable Tablets for XSmall Dogs 4.4-7.7 lbs (Orange). Keep fleas, ticks, heartworms, and intestinal worms out with this easy-to-administer chewable tablet. Plus, with Canada Vet Express you get free shipping, reward points and extra 25% off all Flea & Tick Products. You're pup can rest easy knowing that you're looking out for them and you can enjoy the peace of mind in knowing that your furry friend is safe from common parasites.