Seresto Flea & Tick Collar for Cats, 2 Collars (16-mos. supply)

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About This Item

Details

  • This collar provides premium flea and tick protection for cats and kittens.
  • The long-lasting formula works to kill and repel fleas for 8 continuous months per collar.
  • Each fast-acting collar is designed to start working within 24 hours.
  • Seresto kills and repels fleas by contact, so pests don’t have to bite your cat for the collar to be effective.
  • Offers hassle-free, non-greasy, easy-to-use flea and tick protection.

Ingredients

Instructions

Size

FAQ

Learn More About Seresto From Our Team of Experts

Important Information

Fleas rise to the top of your pet's coat as they die, so consider it a triumph if you start seeing more fleas at first, after treating your pet. If you’re still seeing fleas after application, it may be because your pet has picked up new fleas from the environment, which may include other pets, surfaces and outdoor areas. It may take up to 30 days to break the entire flea life cycle. Additionally, you should also treat sources of new fleas (i.e., carpet, yard, etc.) to ensure complete flea control.

About Seresto for Cats

Stop Fleas & Ticks

Seresto provides premium flea and tick protection without the hassle of a prescription. It starts killing and repelling fleas within 24 hours and continues working for 8 months to prevent new infestations.

Seresto Flea and Tick Protection

Seresto provides fast-acting, long-lasting flea and tick protection in a clinical strength collar.

Kills & Repels

Seresto kills and repels fleas and ticks by contact, so pests don’t have to bite your cat to die.

Protects for 8 Months

The Seresto cat collar provides 8 months of flea and tick protection for long-lasting peace of mind.

No Prescription Needed

Seresto is some of the toughest flea and tick protection around, and you can buy it without a prescription.

Odorless & Non-Greasy

The hassle-free collar is easy to use, odorless, and non-greasy.

How Seresto Works

Seresto’s active ingredients are stored in the collar's polymer matrix and slowly released over 8 months. No messy monthly treatments or hard-to-swallow pills—just effective flea and tick protection! The Seresto cat collar is suitable for use on cats and kittens 10 weeks or older. Read and follow all label directions and talk to your vet if you need further guidance.

About Seresto

Seresto is easy to use, odorless, and non-greasy for mess-free convenience. Available for both dogs and cats, Seresto provides up to 8 months of flea and tick protection, with no Rx required.

Shop Seresto

Questions & Answers

69 Customer Questions


I purchased this in Dec...has anyone had it stop working after 3 months?

Answer by SuzeApr 25, 2026
Yes! They aren’t good anymore!

What is best collars for cats from tics and fleas

Answer by frogoptionalJun 23, 2026
I tried topical treatments and other flea collars for months with no luck. I finally gave up and bought this collar and it has worked wonders!

If I want to try a new flea treatment, how long once I remove this collar, to be able to try a new flea treatment?


Is there a rebate on the Seresto colla?


4.4
Rated 4.4 out of 5 stars
10382 Ratings

Customers Mention

Chewy identifies key considerations with the help of artificial intelligence and our veterinarians.

Active Ingredients

78% Positive

Duration of Protection

79% Positive

Effectiveness

81% Positive

Safety

80% Positive

5607 Customer Reviews



Always consult a veterinarian about your pet’s health needs. Customer reviews should not be used as medical advice.

Rated 5 out of 5 stars
Verified Purchase
By Johnine on Feb 8, 2026

It really works fast

We've been struggling with fleas for about 3 months, I tried advantage flea and tick drops and they didn't work at all, diatomaceous earth helped but there were

We've been struggling with fleas for about 3 months, I tried advantage flea and tick drops and they didn't work at all, diatomaceous earth helped but there were still fleas, vacuuming, it wasn't until I put this flea collar on him that within 4 days he's a flea free happy cat again. I used this on combination with vet's best waterless bath and room spray, sprayed the furniture and rugs, used the waterless bath on the flea debris on the cat and 4 days later he's back to normal kitty, sticking his tongue out when he sleeps on my lap. He hadn't been this relaxed in 3 months. You can see the collar on his neck there barely thru his hair.


Rated 5 out of 5 stars
Verified Purchase
By Susan on Jul 29, 2025

Holy grail of cat collars.

These collars solved two problems. They prevent flea infestations and repel ticks. They also stay on my active, crafty cats. I have tried many flea treatments

These collars solved two problems. They prevent flea infestations and repel ticks. They also stay on my active, crafty cats. I have tried many flea treatments and many collars (both flea and non-flea). These are tops. My cats have now been wearing them for five months. In that time we’ve had zero ticks and no flea problem. We used to struggle with a flea problem of medium intensity every spring/summer. For our family these collars are the most effective flea treatment I’ve tried. And they last. After five months they are still going strong. Package says they work up to eight months, so I set up auto-ship for every seven months, to ensure we remain comfortably flea-free. Of course, it doesn’t matter how long a flea-treatment lasts if the cats ditch their collars within weeks or days. Neither of my escape artists has managed to lose this collar.


Rated 5 out of 5 stars
Verified Purchase
By Julie on Dec 17, 2025

Best flea collar!

My cats can't use the liquid stuff because it irritates their skin. I tried this collar on my semi-feral, crazy, outdoor/indoor cat. She's in the woods all the time,

My cats can't use the liquid stuff because it irritates their skin. I tried this collar on my semi-feral, crazy, outdoor/indoor cat. She's in the woods all the time, getting into trouble. She was not irritated at all, and even though she's lost three sets of ID tags this year, she has never managed to get out of this. She has never brought home a hitchhiker! This really does last the entire eight months. This collar is also endorsed by my vet!


Rated 3 out of 5 stars
Verified Purchase
By Jaime on Apr 20, 2025

Fine example of Shrinkflation

3 stars. Still hoping they’re as effective, but cutting corners isn’t cool I’ve used Seresto collars for years on my outdoor cats. I purchased two collars this

3 stars. Still hoping they’re as effective, but cutting corners isn’t cool I’ve used Seresto collars for years on my outdoor cats. I purchased two collars this time from Chewy and really hope they’re still as effective as they’ve always been. These collars have consistently been safe and reliable, which is why I keep coming back. Winston is 18lbs. I buy him the small dog collar which used to be wider and not have the quick release feature they advertise for the cat one. As you can see by the photos, they are the exact same collar cat on the left, dog on the right in my hand. What really ticks me off? No reflectors included. They sure didn’t go down in cost! Bottom line: I still trust the formula (for now), but I don’t like seeing the quality slip while the price stays the same.


Rated 5 out of 5 stars
Verified Purchase
By Bill on Oct 15, 2025

It got rid of fleas and it doesn’t smell

I got the flea collar as soon as I noticed fleas. PJ is an inside cat, but also has access to our screened in porch. I haven’t seen any fleas since putting it on

I got the flea collar as soon as I noticed fleas. PJ is an inside cat, but also has access to our screened in porch. I haven’t seen any fleas since putting it on him two weeks ago. My normally very timid cat immediately shook and ran when I first tried to put this around his neck. I was worried I wouldn’t be able to do it, but with a little patience and persistence was able to in about 30 minutes. He was a little bothered by the collar for a couple days, and scratched around the collar, but now he doesn’t even seem to know he’s wearing it.


Rated 5 out of 5 stars
Verified Purchase
By Cyndy on Apr 1, 2025

Seresto Flea & Tick Collar for Cats...

#1 Miss Honey the Tabbico and Mr. Gibbs the Former Feral have been Chewy customers for several years now and greatly appreciate Chewy's customer service team. Mr

#1 Miss Honey the Tabbico and Mr. Gibbs the Former Feral have been Chewy customers for several years now and greatly appreciate Chewy's customer service team. Mr. Gibbs has always received flea, tick, and heartworm preventive from his veterinarian. However, I decided to put him in a Seresto Flea & Tick Collar since both are indoor felines though Miss Honey likes to venture outdoors if an opportunity presents itself. To date, there have not been any infestations such as the time, a few years ago, when fleas apparently hitched a ride onto my shoes and were walked indoors to host on the felines. My only surprise when receiving these last two collars was seeing Seresto stopped including reflector clips to attach to their flea collars for the purpose of illuminating kitties who like to roam outdoors at night. Otherwise, these collars serve their purpose. Thank you Seresto.


Rated 4 out of 5 stars
Verified Purchase
By Jill on Dec 14, 2025

Works really well to kill fleas

I would normally give it a 5 star, as it works as described, however one cat had a bad reaction with severe burns on his neck. I would advise to check each animal

I would normally give it a 5 star, as it works as described, however one cat had a bad reaction with severe burns on his neck. I would advise to check each animal daily for a week after placing the collar on them to make sure they are okay. 8 dogs and 5 other cats had no reaction, so it is still a good product


Rated 5 out of 5 stars
Verified Purchase
By Valerie on Feb 20, 2026

Great collar

I’ve always trusted and used this brand for my dog so when I finally got my kitty, I fully trust this brand to help with the flea season. He literally acts like

I’ve always trusted and used this brand for my dog so when I finally got my kitty, I fully trust this brand to help with the flea season. He literally acts like it doesn’t exist. No irritation, no nothing!! Definitely recommend this collar for kitty owners and the brand for both kitty and dog owners as well!


Rated 5 out of 5 stars
Verified Purchase
By JENNIFER on May 24, 2025

Seresto Cat Flea & Tick Collar

Very happy with this collar. Does a great job! Last year was the first year I tried it & not a single bug was ever seen on my Itty-Bitty. This year she came inside

Very happy with this collar. Does a great job! Last year was the first year I tried it & not a single bug was ever seen on my Itty-Bitty. This year she came inside on 3 different occasions with a single tick, which I took off of her & killed with a torch lighter. All were just on her fur, like she picked them up moments before coming back in. And that was only the first 3 days she had it on. Directions claim l claim it starts working within 2 hours. Not a tick or anything on her since. Isn't a breakaway collar, but I put it on her a tiny bit loose & with her regular collar, stays on.


Rated 5 out of 5 stars
Verified Purchase
By Caitlyn on Oct 12, 2025

Incredibly fast and worth it!

Recently I have discovered my cats have a flea infestation, I've tried so many methods to get rid of them and spent a lot of money on ineffective methods in the

Recently I have discovered my cats have a flea infestation, I've tried so many methods to get rid of them and spent a lot of money on ineffective methods in the meantime :( I was a bit wary on how effective the collars could actually be for how much they cost, but after putting them on and waiting a day I can say that they are more than worth it! My kitties are so happy and flea free thanks to these!!