Features: * Kills 5 different types of pests on dogs - fleas, ticks, mosquitoes, lice, and mites * Kills, repels and prevents re-infestation of fleas for up to 5 weeks * Kills flea eggs and larvae for up to 8 weeks * Kills, repels and prevents re-infestation of ticks for up to 6 weeks * Kills or repels mosquitoes, lice and mites on dogs for up to 4 weeks * For dogs under 33 pounds What"s In The Box: * Durvet 044-600553 Liberty 50 Plus IGR Spot-On for Dogs