Kiltix tick collar for dogs is a fast acting tick-collar in Australia that is designed to fit dogs of all sizes. The collar protects against deadly Paralysis ticks for 6 weeks - and also kills and repels brown dog and bush ticks. Kiltix is safe for puppies over 12 weeks of age. Key Benefits Aids in control of paralysis ticks (lxodes holocyclus) for 6 weeks Controls brown dog and bush ticks for up to 5 months Controls fleas for 5 months Adjustable collar to fit all dog sizes Directions for Use Remove the collar from the pouch. Unroll the collar, place around the dog’s neck and pull the free end through the clasp, leaving enough space for two fingers under the collar.