# Seresto Flea and Tick Collar for Dogs Over 8kg, 7–8 Months

Seresto Flea and Tick Collar is a collar treatment for dogs over 8kg, with the listing claiming 7–8 months of flea and tick protection from one collar. Its adjustable collar format avoids a recurring monthly application, though buyers should follow the supplied directions and confirm this size suits their dog.

- [Original product page](https://bargainpostbox.co.uk/product/seresto-flea-tick-collar-dogs-over-8kg-b08trtqtsj)
- [View offer](https://bargainpostbox.co.uk/visit/seresto-flea-tick-collar-dogs-over-8kg-b08trtqtsj)
- Market: UK
- Language: en-GB
- Currency: GBP
- Brand: Seresto
- Model: 86631660
- Category: Pet Supplies > Pet Grooming & Health > Pet Health
- Price: 28.23 GBP
- Previous price: 34.49 GBP
- Discount: 18%
- Price checked: 2026-11-14T19:39:31.841Z
- Rating: 4.4 / 5
- Reviews: 1088

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## At a glance

- The listing claims 7–8 months of protection from one collar.
- Described as killing fleas and repelling and killing ticks. The listing states fleas are killed within 24 hours.
- A ratchet system and loop are described for adjusting and securing the collar.
- The listing says the collar releases its active ingredients steadily across the dog's skin and coat.

## Pros

- A single collar is claimed to provide months of coverage, reducing the need to remember frequent treatments.
- Collar application avoids a liquid or greasy-on-coat format, according to the listing.
- Uses imidacloprid and flumethrin, as specified in the listing.

## Specifications

### Identity
- Brand: Seresto
- Model: 86631660
### Fit and formulation
- Listed size: Dog Large \(>8kg\)
- Target species: Dog
- Breed sizes listed: Giant, Large, Medium
- Item form: Collar
- Active ingredients: Imidacloprid, Flumethrin
- Scent: Unscented
- Age range: Adult
### Dimensions and installation
- Weight listed: 6.53 Grams

## Before you buy

- Protection is stated as 7–8 months in one part of the listing and up to 8 months elsewhere. Confirm the applicable duration and follow the product directions. The listing says dogs over 8kg, while its size field says Dog Large \(>8kg\) and its breed-size field includes Giant, Large and Medium. Confirm the collar size and suitability for your dog before purchase.

## In the box

- Seresto flea and tick collar (Included)

## A good fit for

- Owners of adult medium, large or giant dogs over 8kg seeking a collar-based flea and tick treatment.
- Buyers who prefer a listed multi-month treatment interval over regular applications.

## Less suited to

- Dogs weighing 8kg or less, based on the listed size threshold.
- Buyers seeking treatment in a form other than a collar.

## Customer feedback

Customer feedback highlights perceived effectiveness, with customers reporting that it works within a few days and lasts 7–8 months. Odourlessness and comfort are also praised, including reports that dogs tolerate wearing it. Value opinions are mixed, with some finding it worth the money and others considering it overpriced. These experiences may matter to buyers choosing a collar for extended use, but they do not independently confirm the listing's protection claims or duration.
- Positive themes: Customers report effectiveness and lasting use.
- Positive themes: Customers appreciate the lack of odour and say their pets are comfortable wearing it.
- Mixed feedback: Opinions on value for money differ, with some considering it worthwhile and others finding it overpriced.

## Frequently asked questions

### How long does one Seresto collar last?
The listing gives 7–8 months in the title and feature text, and says up to 8 months in the description. Treat the duration as listing-claimed and check the product directions.
### Which dogs is this collar listed for?
It is listed for dogs over 8kg and as Dog Large \(>8kg\). The breed-size field also names medium, large and giant dogs, so confirm fit for your dog's weight and size.
### What active ingredients are listed?
Imidacloprid and flumethrin.
### How is the collar applied?
The listing describes placing it around the dog's neck, adjusting it and securing it with a ratchet system and loop. It directs buyers to follow the product manual.

## Alternative options

- [Advantage Chewable Flea & Tick Tablets, 1 Pack, Dogs 11-22kg, 450mg \| Dog flea and tick treatment chew, Kills fleas in 4 hours ticks in 8, Easy to give, Monthly protection, Meat flavoured](https://bargainpostbox.co.uk/visit/seresto-flea-tick-collar-dogs-over-8kg-b08trtqtsj)
- [Collar for Dogs, 4 piece, Suitable for Dogs over 7 Weeks,60CM](https://bargainpostbox.co.uk/visit/seresto-flea-tick-collar-dogs-over-8kg-b08trtqtsj)
- [Advantage Chewable Flea & Tick Tablets, 2 Pack, Dogs 22-45kg, 900mg \| Dog flea and tick treatment chew, Kills fleas in 4 hours ticks in 8, Easy to give, Monthly protection, Meat flavoured](https://bargainpostbox.co.uk/visit/seresto-flea-tick-collar-dogs-over-8kg-b08trtqtsj)
- [Advantage Chewable Flea & Tick Tablets, 3 Pack, Dogs 11-22kg, 450mg \| Dog flea and tick treatment chew, Kills fleas in 4 hours ticks in 8, Easy to give, Monthly protection, Meat flavoured](https://bargainpostbox.co.uk/visit/seresto-flea-tick-collar-dogs-over-8kg-b08trtqtsj)
- [FRONTPRO Chewable Tablets Flea & Tick Treatment for Dogs 3 Pack \(10-25kg\)](https://bargainpostbox.co.uk/visit/seresto-flea-tick-collar-dogs-over-8kg-b08trtqtsj)
- [Advantage Chewable Flea & Tick Tablets, 1 Pack, Dogs 22-45kg, 900mg \| Dog flea and tick treatment chew, Kills fleas in 4 hours ticks in 8, Easy to give, Monthly protection, Meat flavoured](https://bargainpostbox.co.uk/visit/seresto-flea-tick-collar-dogs-over-8kg-b08trtqtsj)
- [Advantage Chewable Flea & Tick Tablets, 3 Pack, Dogs 22-45kg, 900mg \| Dog flea and tick treatment chew, Kills fleas in 4 hours ticks in 8, Easy to give, Monthly protection, Meat flavoured](https://bargainpostbox.co.uk/visit/advantage-chewable-flea-tick-tablets-3-pack-22-45kg)
- [Zesty Paws Pre, Post & Probiotic for Dogs, Daily Digestive Bites - 90 Chews \| Vet Formulated Prebiotics & Fibre Supplements for Dog Gut Health, Digestion, Stool Firmness & Stomach Settling](https://bargainpostbox.co.uk/visit/seresto-flea-tick-collar-dogs-over-8kg-b08trtqtsj)
- [2 Pack Dog Collar Tags with 6 Refills, Natural Peppermint Collar Pendants for Dogs, Water Resistant Pet Protection for Indoor Outdoor Use, Clip-On, Collar Not Included](https://bargainpostbox.co.uk/visit/seresto-flea-tick-collar-dogs-over-8kg-b08trtqtsj)
- [Collar perro, 4 piezas de collares para perros, adecuado para perros más de 7 semanas, 60cm](https://bargainpostbox.co.uk/visit/seresto-flea-tick-collar-dogs-over-8kg-b08trtqtsj)
- [Dog Repellent Treatment, 2Pack Repellent Collar Waterproof Adjustable Sizes \| Purple Color Long-Lasting Dog Repellent Collars for Small Medium & Large Dogs, Comfortable, Safe & Effective Protection](https://bargainpostbox.co.uk/visit/seresto-flea-tick-collar-dogs-over-8kg-b08trtqtsj)
- [2-Pack Adjustable Waterproof Dog Col/lar, Fle/a and Ti/ck Treatment Col/lar for Dogs with 16-Month Protection, Anti-Bark Dog Calming Col/lar, One Size Fits All Breeds, Fashionable & Durable\(Purple\)](https://bargainpostbox.co.uk/visit/seresto-flea-tick-collar-dogs-over-8kg-b08trtqtsj)

## Add-ons

- [Flea and Tick Dog Shampoo by Bugalugs, Works on Smelly Puppies & Dogs, Contains Neem Oil PH Balanced Vegan Used by Profession](https://bargainpostbox.co.uk/visit/seresto-flea-tick-collar-dogs-over-8kg-b08trtqtsj)
- [Dog flea treatment medium dog x 6 - Flea treatment for dogs medium 10-20 kg - Spot-On solution for flea and tick control - Fl](https://bargainpostbox.co.uk/visit/seresto-flea-tick-collar-dogs-over-8kg-b08trtqtsj)

## Images

![Seresto Flea and Tick Collar for Dogs Over 8kg, 7–8 Months — 1](https://bargainpostbox.co.uk/i/OpYymfE8CoDBQxVEL0u4Lvqtl6loUG6CJxCghfXl0eaJGfhICmCco08VA8CyulhssMGjXBCcbjMi1vDTfVtGcMJhlFf9PylxB40kX0Xj6G1ROYfIRFe1ht7u.jpg)

![Seresto Flea and Tick Collar for Dogs Over 8kg, 7–8 Months — 2](https://bargainpostbox.co.uk/i/a710N0jENCNq-G9ZA01YzewqWMklbpExHLnW2ClPorcrPVIgF2LEOvbvPI4duv2EglTEVy6NVNrKdo-3OEUPaBVqXi3jQ6F3MSZsjolMfB5RzMEGxu73Ec-E.jpg)

![Seresto Flea and Tick Collar for Dogs Over 8kg, 7–8 Months — 3](https://bargainpostbox.co.uk/i/H74YI582lrNtIEVaCgqDAmUtkG8wMT6U6buWZ78IyD2Zr6Uqw8R0Npsete4-YhDKMeFYzBrGr_9yOw6c0qC75S6j5XA64bK-hTewTPRLQhdghup6CSON0cyU.jpg)

![Seresto Flea and Tick Collar for Dogs Over 8kg, 7–8 Months — 4](https://bargainpostbox.co.uk/i/hUkxd-u1sZ9yMEiThFtIY67SGMIw_i-9r-Fmo0cWjECzzhfFLF70q8E8UVyF_F1r74L4kMNtbe1Bq6IQprCDFmaABoiH-Lqkk3yVFXclOEmwAVbYVBd6bVBh.jpg)

![Seresto Flea and Tick Collar for Dogs Over 8kg, 7–8 Months — 5](https://bargainpostbox.co.uk/i/-i9NzKi5HYCcu4f0geMgd88G6jAQVDTL4sGlNzG4PQNuXbm7v-7TtetWweud0DjeOAMKPNQ73Bd_Yf3uhxSPsN39aGKqGVJsQaOeLDDMMW1CD3xr1Svy8SMm.jpg)

![Seresto Flea and Tick Collar for Dogs Over 8kg, 7–8 Months — 6](https://bargainpostbox.co.uk/i/tPdy4nDfzf3TG7H613E43SPKtd2DXabUGe5AL5IRKdBaQ9L_6PAMtdLELNf3g2cLXuW9WxIZ7CNyLsCSFHLAKUWj-JEebcqK6XHvZ8ivPcb4lHnTV6DR1cU9.jpg)

![Seresto Flea and Tick Collar for Dogs Over 8kg, 7–8 Months — 7](https://bargainpostbox.co.uk/i/TBQ5FjxCHAqp0NfySzNGuRPQLJdtQDK75MhrTTL0fRHnaosqqrGjTWygrEWG7lMPEUozPUAUvak3-qcXrH-VD11DvNmH5Zq74ZiTRLB6ru_sww-2X1AV0S5y.jpg)