This 600mm (60cm) extension strap is suitable for child restraints manufactured from march 1993 onwards (if they are manufactured prior to 2010 you shouldn't be using them now anyway). Some vehicles require an extension strap to allow a tether Strap or upper anchorage strap on a child restraint to be connected to the child restraint anchorage in the vehicle; Usually station wagons and sedans. This is most often required for seat in the rearward facing position. This extension strap will work with all Britax seats as well as other brands.
This 600mm (60cm) extension strap is suitable for child restraints manufactured from march 1993 onwards (if they are manufactured prior to 2010 you shouldn't be using them now anyway). Some vehicles require an extension strap to allow a tether Strap or upper anchorage strap on a child restraint to be connected to the child restraint anchorage in the vehicle; Usually station wagons and sedans. This is most often required for seat in the rearward facing position. This extension strap will work with all Britax seats as well as other brands.
Safe-n-Sound 600mm Extension Strap
This 600mm (60cm) extension strap is suitable for child restraints manufactured from march 1993 onwards (if they are manufactured prior to 2010 you shouldn't be using them now anyway). Some vehicles require an extension strap to allow a tether Strap or upper anchorage strap on a child restraint to be connected to the child restraint anchorage in the vehicle; Usually station wagons and sedans. This is most often required for seat in the rearward facing position. This extension strap will work with all Britax seats as well as other brands.
This 600mm (60cm) extension strap is suitable for child restraints manufactured from march 1993 onwards (if they are manufactured prior to 2010 you shouldn't be using them now anyway). Some vehicles require an extension strap to allow a tether Strap or upper anchorage strap on a child restraint to be connected to the child restraint anchorage in the vehicle; Usually station wagons and sedans. This is most often required for seat in the rearward facing position. This extension strap will work with all Britax seats as well as other brands.
in 16 offers
The lowest price for Safe-n-Sound 600mm Extension Strap right now is $18.95 at So Cute Baby &, compared across 16 retailers.
The all-time low was $18.95 on 28 Sept 2025. That's the lowest price we've ever tracked — a great time to buy.
Prices last updated 16 June 2026.
Last updated at 16/06/2026 11:42:25
Britax Safe-N-Sound Extension Strap, 600 mm Length, Easy to Install Adjustable Child Restraint Tether Strap Extender, Black, (0290)
Free delivery
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Britax extension strap 600mm
Britax 600mm Extension Strap With Hook
Delivery between 24–30 June $9.70
Safe n Sound 600mm Child Restraint Ext Strap
Britax Safe N Sound 600mm Extension Strap
Delivery between 18–24 June $9
Britax Safe N Sound Car Seat 600mm Extension Strap 0290
Free delivery
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Britax SNS Hook Ext 600mm 0290
Next-day delivery $14.95
Safe n Sound 600mm Extension Strap Car Safety
Delivery between 22–26 June $27.01
Britax 600mm Extension Straps
Delivery between 23–29 June $17.24
Britax - Extension Straps - Shop Now at Metro Baby 600mm
Delivery $14.99
Britax Safe-N-Sound Extension Strap, 600 mm Length, Easy to Install Adjustable Child Restraint Tether Strap Extender, Black, (0290)
Free delivery
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Britax extension strap 600mm
Britax 600mm Extension Strap With Hook
Delivery between 24–30 June $9.70
Safe n Sound 600mm Child Restraint Ext Strap
Britax Safe N Sound 600mm Extension Strap
Delivery between 18–24 June $9
