how does this stay put and snug on the seat belt buckle?

The device goes directly between the belt clip and the buckle and when fastened it locks the device snuggly between the two. Also it's much easier to unlock it if you just use another seat belt clip to push between the spaces instead of the little sticks that come with it.

Is this compatible for a 2019 Honda Odyssey? I have different seat belt locks similar to this that do not work.

Hi, This version of the Buckle Boss works with seat belts with a longer metal tongue. (More than 1.5") If you having issues with belt guards like this, we have the Buckle Boss Pro, which works with seat belts that have metal tongues 1.5" and shorter. https://www.amazon.com/dp/B08B86Z5H4 Hope this helps.

Does it fit Nissan Ultima ?

I own a Ford Focus, so I can not say I’ve tried it on a Nissan. But, it is designed to fit between the buckle and the push button, and is large enough to fit all vehicles. It works for us.

Will this fit a 2016 Honda Pilot?

I just bought this for my 2016 Honda Pilot. It doesn't work. It is not universal for all vehicles. The depth of the buckle needs to be just right. It fits in my husband's car.

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Original Classic Seat Belt Lock | Original Seat Belt Guard Made with Strong ABS | for Special Needs Passengers | Easy Installation | Preventing Passengers from Unbuckling Their Seat Belts

Product ID: 41976505

🔒Childproof lock secures seatbelt

🛠️Easy, tool-free installation

🇺🇸Proudly made in the USA

HK$190

Duties & taxes included

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Sold byAmazon Hong KongDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔐 Lock in safety, unlock peace of mind.

EFFORTLESS INSTALLATION - Attach with included Velcro strips and alcohol prep pad—no tools required
VERSATILE COMPATIBILITY - Fits a wide range of vehicle seat belt buckles, perfect for cars, SUVs, and vans
UNBREAKABLE SAFETY BARRIER - Robust ABS construction keeps seatbelt release button inaccessible during transit
SUPPORT A CAUSE WHILE SECURING - 2% of revenue supports autism charities—safety with social impact
TRUSTED BY CAREGIVERS NATIONWIDE - 20+ years of proven reliability protecting special needs passengers and more

The Buckle Boss Original Classic Seat Belt Lock is a durable, childproof ABS guard designed to prevent passengers—especially children and special needs individuals—from unbuckling seat belts during travel. Easy to install with included Velcro strips and a key, it fits most vehicle seat belt buckles and has been trusted for over 20 years. Proudly made in the USA, it also supports autism charities with 2% of its revenue.

Specifications

ASIN	B06XCF9DRJ
Best Sellers Rank	#131,843 in Automotive ( See Top 100 in Automotive ) #89 in Automotive Seat Belts
Brand	Buckle Boss
Customer Reviews	4.2 4.2 out of 5 stars (349)
Date First Available	February 28, 2017
Item Weight	0.16 ounces
Item model number	BKB
Manufacturer	Gby, Inc
Manufacturer Part Number	BKB
Model	Buckle Boss Classic
Product Dimensions	2.5 x 1.5 x 1 inches
Voltage	12 volts

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HK$190

Duties & taxes included

In stock

Sold byAmazon Hong KongDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Hong Kong.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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