Pet Action Six Month Collar for Fleas and Ticks, Small Dogs, 2 Pack FLEA AND TICK PREVENTION THAT LASTS: PetAction Plus Flea and Tick Collar provides season long flea and tick control WATERPROOF FLEA AND TICK PREVENTION FOR YOUR DOG: This flea and tick collar is waterproof, weatherproof, providing fast-acting flea and tick treatment ADJUSTABLE FLEA AND TICK COLLAR: PetAction Plus Flea and tick collar is adjustable for the perfect fit