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

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Product guide

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

Seresto Flea and Tick Control Collar is sized for dogs over 8kg and is claimed to provide 7–8 months of protection against fleas and ticks. It is worn continuously, so fit checks and the stated water-exposure limits matter over the treatment period.

At a glance

The listing claims 7–8 months of flea and tick protection from one collar.
The collar is described as killing fleas and repelling and killing ticks.
The collar's polymer matrix is said to release its active ingredients across the skin and coat.
Application instructions call for room to fit two fingers between collar and neck, with excess length trimmed.

Price

£28.23Save 15%

Reference price: ~~£33.04~~

Price checked: 13 Nov 2026

View offer

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Pros and cons

Pros

One collar is claimed to cover a longer period than monthly treatment schedules, reducing how often owners need to reapply a product.
The listing describes a dry, unscented application rather than a topical liquid.
Adjustable fit guidance and a stated safety release mechanism are provided.

Technical specifications

11 specifications

Identity
Brand	Seresto
Model	7152514
Product type	Collar
Target animal	Dog
Size	Dog (Over 8kg)
Breed size	Large

Composition and handling
Active ingredients	Flumethrin 2.03g, Imidacloprid 4.5g
Scent	Unscented
Weight listed	47.4 Grams
Item volume	4.32 Decilitres
Country of origin	United Kingdom

What to know before buying

Keep the collar on continuously during the stated 7–8-month period, check and readjust the fit periodically, and avoid prolonged intense water exposure or extensive shampooing because these may reduce activity duration. The listing also cautions that tick attachment and disease transmission cannot be completely excluded in unfavourable conditions.

Listing details to confirm

The listing names flea and tick control and a 7–8-month period, while customer feedback reports mixed durability, with some saying it lasted around four months. Customer reports also include both skin irritation and no more scratching, so neither an individual outcome nor the claimed duration is assured. Follow the product directions and consult a veterinary professional if concerned about irritation.

What’s in the box

Included

Flea and tick control collar

Who is it for?

A good fit for

Owners of dogs over 8kg seeking a collar-based flea and tick treatment with less frequent scheduled replacement than monthly treatments.
Buyers who prefer an unscented collar applied around the neck rather than a topical product.

Less suited to

Dogs weighing 8kg or less, as the selected size is listed for dogs over 8kg.
Owners who need a treatment that can be expected to retain its full stated activity despite prolonged intense water exposure or extensive shampooing.

Seresto Flea and Tick Collar for Dogs Over 8kg, 7–8 Months · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.4 / 5 · 322 ratings

5 stars76%76%
4 stars9%9%
3 stars6%6%
2 stars2%2%
1 star7%7%

Customer feedback reports perceived effectiveness and some owners say their pets seem happier and more settled. Reports about durability are mixed, including accounts of collars lasting months and around four months, while experiences with skin irritation also differ. Value is likewise divided. For buyers choosing this collar for its claimed 7–8-month interval, the mixed duration reports are relevant, and irritation feedback is a reason to monitor the dog's skin rather than assume a uniform response.

Positive themes

Customers report that the collar is effective.
Some customers say their pets seem happier and more settled while using it.

Negative themes

Some customers report skin irritation.
Some customers say the collar lasted around four months.

Mixed feedback

Customers disagree about durability, value for money and skin irritation.

Frequently asked questions

Which dogs is this collar listed for?

It is listed for dogs over 8kg and described as a large-dog size.

How long does one collar claim to protect?

The listing claims 7–8 months. It instructs owners to keep the collar on continuously, but customer feedback reports mixed durability, including reports of around four months.

Can the dog wear it when wet?

The product description says it is water resistant and remains effective if the animal becomes wet. It advises avoiding prolonged intense water exposure and extensive shampooing because these may reduce the duration of activity.

How should the collar fit?

The supplied directions say to adjust it so two fingers can fit between the collar and the neck, pull excess through the loop, trim any excess beyond 2 cm, and check and adjust the fit periodically.