How long does delivery take?

We deliver to all UK addresses. Orders are typically dispatched within 1 working day and arrive within 4–5 working days. You'll receive a tracking link by email once your order has been sent.

Yes, we offer free shipping on every order to mainland UK. No minimum spend, no hidden fees.

What is your returns policy?

We accept returns within 30 days of delivery. Items must be unworn and in their original condition. Simply contact us and we'll arrange the return by post. Refunds are processed within 7 working days of receiving the item back.

How do I know what size to order?

Our clothing is sized by age and generally runs true to size. If your child is between sizes we recommend sizing up for a more comfortable fit. Each product page includes specific size guidance where available.

What if my item arrives damaged or incorrect?

We're sorry if this happens. Please contact us within 48 hours of delivery with a photo of the item and we'll send a replacement or issue a full refund straight away, no quibble.

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Universal Seat Belt Extender - Comfort and Safety for Everyone

Name: Universal Seat Belt Extender - Comfort and Safety for Everyone
Brand: Flare Shack
SKU: 45792457916460
Price: 11.99 GBP
Availability: InStock
Rating: 4.9 (247 reviews)

Fantastic – 4.9/5 (247 reviews)

£11.99 GBP

~~£30.00 GBP~~ £11.99 GBP

60% OFF Sold out

Tax included. Free Shipping

Friendly Customer Support
Easy 30-Day Returns
Secure Payment at Checkout

Ships Within 1-2 Days

"My order arrived faster than expected and the quality was fantastic 😍 It was such a delight to open! I will definitely be back for more."
Laura

Added Space for a More Comfortable Fit

This Universal Seat Belt Extender provides immediate relief for those who find standard seat belts too short or tight. It’s especially helpful for adults with broader frames, pregnant passengers, or users carrying additional equipment that restricts movement. With a secure click-in design, it offers a practical upgrade to everyday car travel.

Simple Installation for Everyday Use

Designed to work with most standard seat belt systems, this extender easily clicks into your existing buckle without any tools or adjustments. It also fits many child seats and booster seats, offering extra flexibility for families and caregivers.

Built for Durability and Safety

Constructed from heavy-duty ABS, stainless steel, and durable polyester, the extender is built to last through repeated use. It ensures strong connection and reliability on the road, helping you and your passengers feel secure during every drive.

Product specifications

Length: 9.8 inches
Width: 2 inches
Weight: 0.44 pounds
Buckle tongue compatibility: 1.2 inches in length, 0.79–0.87 inches in width

What’s included

1 × Universal Seat Belt Extender

Frequently Asked Questions

Will this fit my car’s seat belt buckle?
It is designed to fit most seat belts with a tongue width of 20–22 mm and length of 30 mm. Please check your buckle dimensions before purchase.

Is this extender suitable for use with child car seats?
Yes, it is compatible with many child seats and booster seats, but always confirm fit with your specific seat model.

Does it affect the safety of the seat belt?
When used as intended and with compatible buckles, this extender maintains the functionality of your seat belt system.

How do I install it?
Simply insert the extender into your car’s existing seat belt buckle until it clicks securely.

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So impressed! 😍

I don’t usually leave reviews, but i had such a good experience with Flare Shack i felt like i had to. the items are great quality, shipping was quick, and customer service is super responsive. I don’t usually leave reviews, but i had such a good experience with Flare Shack i felt like i... I don’t usually leave reviews, but i had such a good experience with Flare Shack i felt like i had to. the items are great quality, shipping was quick, and customer service is super responsive.

Kayla Thompson

Great experience!

I've been ordering online for years, and Flare Shack stands out. The quality is amazing, and the service is so friendly and helpful. Definitely coming back for more! I've been ordering online for years, and Flare Shack stands out. The quality is amazing, and the service is... I've been ordering online for years, and Flare Shack stands out. The quality is amazing, and the service is so friendly and helpful. Definitely coming back for more!

Emily Harper

Exactly right

My order was exactly what i hoped for, and the quality is amazing. Sophie was so helpful and made the process even smoother. Highly recommend this store. My order was exactly what i hoped for, and the quality is amazing. Sophie was so helpful and made... My order was exactly what i hoped for, and the quality is amazing. Sophie was so helpful and made the process even smoother. Highly recommend this store.

Sarah Anderson

Smooth process

Ordered a few items, and they all came in perfect condition. Customer service answered my questions quickly, and everything was a smooth process. Would shop here again for sure! Ordered a few items, and they all came in perfect condition. Customer service answered my questions quickly, and everything... Ordered a few items, and they all came in perfect condition. Customer service answered my questions quickly, and everything was a smooth process. Would shop here again for sure!

Hannah Morgan

Hesitant, but wow! 👏

I was a little unsure about buying from a store i hadn’t heard of, but the great reviews convinced me. now i’m the one leaving a review because my experience was so good! I was a little unsure about buying from a store i hadn’t heard of, but the great reviews convinced... I was a little unsure about buying from a store i hadn’t heard of, but the great reviews convinced me. now i’m the one leaving a review because my experience was so good!

Jenna Murphy

Amazing quality!

The quality of the products is incredible for the price. My order arrived faster than i thought it would, and i’m super happy with everything. Flare Shack is my new go-to shop. The quality of the products is incredible for the price. My order arrived faster than i thought it would,... The quality of the products is incredible for the price. My order arrived faster than i thought it would, and i’m super happy with everything. Flare Shack is my new go-to shop.

Olivia Jenkins

Consistently great

I have placed a couple of orders with Flare Shack now, and i’ve been impressed every time. The products look just like the pictures, and the service feels really personal. I have placed a couple of orders with Flare Shack now, and i’ve been impressed every time. The products... I have placed a couple of orders with Flare Shack now, and i’ve been impressed every time. The products look just like the pictures, and the service feels really personal.

Kelsey Chapman

Highly recommend 👍

Flare Shack is honestly one of the best online stores i’ve used. The items are top-notch, shipping is reasonable, and they’re always quick to respond to any questions. Love it! Flare Shack is honestly one of the best online stores i’ve used. The items are top-notch, shipping is reasonable,... Flare Shack is honestly one of the best online stores i’ve used. The items are top-notch, shipping is reasonable, and they’re always quick to respond to any questions. Love it!

Lindsey Hayes

Sophie is the best!

Sophie is amazing! She answered all my questions and kept me updated about my order. My items arrived in perfect condition, and the quality was outstanding. Flare Shack is my new favorite store. Sophie is amazing! She answered all my questions and kept me updated about my order. My items arrived in... Sophie is amazing! She answered all my questions and kept me updated about my order. My items arrived in perfect condition, and the quality was outstanding. Flare Shack is my new favorite store.

Jessica Taylor

Earned my trust

Fast delivery, great products, and super friendly support team. Sophie went above and beyond to help me with my order. It’s so nice to find an online store you can trust. Flare Shack has earned my loyalty! Fast delivery, great products, and super friendly support team. Sophie went above and beyond to help me with my... Fast delivery, great products, and super friendly support team. Sophie went above and beyond to help me with my order. It’s so nice to find an online store you can trust. Flare Shack has earned my loyalty!

Ava Scott