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Small Item Delivery £4.95, free over £100
Large Item Delivery £9.95
Shop sale

high back booster with harness

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Offers & Clearance

Clearance(1)

Brands

Cuggl(3)

Harmony(1)

ISOFIX

Not ISOFIX compatible(3)

Integrated ISOFIX(1)

Car seat group

Group 2-3(4)

Approximate age group

4 years to 12 years(4)

Child's minimum height (cm)

100(4)

Safety compliance

ECE R129(4)

Price

£20 - £25(1)

£25 - £50(1)

£50 - £100(2)

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4 or more

3 or more

2 or more

1 or more

I size certified

Yes(3)

No(1)

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4 products

Cuggl i-Size R129 High Back Booster Car Seat- Black

Cuggl i-Size R129 High Back Booster Car Seat- Black

Rating 4.6 out of 5, from 10 reviews

(10)

£40.00

Cuggl ISOFIX R129 High Back Booster Car Seat

Cuggl ISOFIX R129 High Back Booster Car Seat

Rating 4.0 out of 5, from 11 reviews

(11)

£65.00

Harmony Genesys R129 High Back Booster Car Seat

Harmony Genesys R129 High Back Booster Car Seat

Rating 4.6 out of 5, from 23 reviews

(23)

£55.00

Cuggl R129 High Back Booster Car Seat

Cuggl R129 High Back Booster Car Seat

Rating 4.4 out of 5, from 130 reviews

(130)

Save Over £9.00

£22.50

£32.00

*Argos Pay Representative Example

Representative 34.9% APR (variable), 34.95% PA purchase rate (variable), £1,200 assumed credit limit.

Offers and credit subject to status. 18+. UK only. Terms apply. NewDay Ltd is the lender, Argos Limited is the broker.

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© Argos Limited 2026. All Rights Reserved.

*Argos Pay is provided by NewDay Ltd. UK residents aged 18 and over. Offers and credit subject to status. Terms apply.

Argos Limited is a credit broker and not a lender, introducing Argos Pay under an exclusive arrangement with the lender NewDay Ltd.

Argos Limited is authorised and regulated by the Financial Conduct Authority (firm reference number: 713206), registered office: 33 Charterhouse Street, London, EC1M 6HA). NewDay Ltd is a company registered in England and Wales (company number: 7297722), registered office: 7 Handyside Street, London, N1C 4DA. NewDay Ltd is authorised and regulated by the Financial Conduct Authority (firm reference number: 690292) and is also authorised by the Financial Conduct Authority under the Payment Services Regulations 2017 (firm reference number: 555318) for the provision of payment services.

PayPal Pay in 3 is the trading name of PayPal UK LTD, 5 Fleet Place, London, United Kingdom, EC4M 7RD. Terms and conditions apply. Credit subject to status, UK residents only. Argos Limited acts as a broker and offers finance from a restricted range of finance providers. PayPal Pay in 3 is not regulated by the Financial Conduct Authority. Pay in 3 eligibility is subject to status and approval. 18+ UK residents only. Pay in 3 is an unregulated credit agreement. Check if affordable and how you will repay. May make other borrowing more difficult or expensive. See product terms for more details.

Klarna's Pay in 3 / Pay in 30 days are unregulated credit agreements. Borrowing more than you can afford or paying late may negatively impact your financial status and ability to obtain credit. 18+, UK residents only. Subject to status. Ts&Cs and late fees apply.

Argos Care policies are provided by Domestic & General Insurance PLC, who are an insurer not an intermediary. They have not given you a personal recommendation as to whether this policy is suitable for your needs.