Elasticated belt with round buckle fastening (one half slots into the other).
eBay
ABS Car Safety Seat Strap Belt Lock Car Interior Supplies Anti-Rattle Wobble Shoulder Neck Strap Seatbelt Adjuster Child Clip
Aliexpress UK
Elasticated belt with simple hook & loop fastening.
eBay
Baby Car Safe Buckle Chest Clip Non-slip Strap Clip Baby Safety Seat Strap Belt for Kids Safety Strap Children Car Accessories
Aliexpress UK
Maximum length of belt (without stretching) 60cm (23.5"), width of 2.5cm (1").
eBay
Universal Car Children's Seatbelt Triangle Fixer Children's Seatbelt Adjuster Anti Strangulation Neck Car Supplies
Aliexpress UK
Material : Polyester/Elastane. Width : 25mm.
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Car Seat Belt Cover Pads For Kids Interior Car Seat Belt Kit Anti Neck Limiter For Child Safety Belt Protector Cover Comfortable
Aliexpress UK
Highly adaptable: This children's belt is suitable for both boys and girls, and can be worn by children from the age of 3 to around 10 years old. Highly comfortable: this children's belt is made of rubber, which is soft and breathable and very comfortable to wear without causing discomfort.
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3.6mx4.8cm Car Seat Belt Webbing Seat Lap Retractable Nylon Safety Strap DIY Backpack Pet Belt Crafts child safety belt
Aliexpress UK
Boys and girl kids UK high quality made in england leather belt. BEST QUALITY GENUINE CASUAL WEAR JEANS TROUSER BELT. HANDMADE IN ENGLAND. These belts are very hard wearing and will last you a while, not like other belts out there that break after a few wears.
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car Seat Belt Cushion For Kids Safty Belt Protector Safety Belt Protector Soft Support Harness Pad Adjustable For Car For Childs
Aliexpress UK
BOYS REAL LEATHER BELT WITH SILVER BUCKLE. Silver Buckle. Leather Loop. Waist: 14" - 16" - total length (excluding buckle) 23". Waist: 17" - 19" - total length (excluding buckle) 26". Waist: 20" - 21" - total length (excluding buckle) 29".
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Triangle Positioner Car Seat Strap Pads Cover Seat Belt Adjuster for Kids Adults Adjuster for Kid Seat Belt Clips Safety Strap
Aliexpress UK
Waist Belt for Kids with Star Buckles. Belt Length : 90cm. 1 Pieces Belt. We will be really appreciated for your understanding.
eBay
Child Chair Safety Belt Stop Babies Slipping Falling Baby Dining Chair Seat Belt Adjustable Kids Feeding Safety Protection Guard
Aliexpress UK