Okay this is first impression and I will update once in full use. We are traveling cross country and our boxer is a spaz! They look like a great length. Will get him on it this week to try and will update with durability.These are great! Keeps dogs from roaming all around in the car. Also, with two dogs don't have to worry about one escaping while trying get the other one in car.PerfectI have twin girls from the same litter and they can be a bit on the wild side. We like to take them everywhere with us, so they get clipped into these to their harnesses and seatbelt in the back seat of my truck and do really well. They can still interact and move around but not jump or fall off the seat.Great product. Very sturdySeems to work fine on standard buckles, however the middle buckle in back passenger seat is different shape and it won’t click in. Somewhat frustrating when 2 outside seats are occupied by car seats, had to shift some things around so doggie can go by outside buckles. We will see how comfortable this is in the long run.My dog hated these at first. Mostly because I'm a bad owner and let her sit in the front passenger seat without a restraint. I've seen the horror stories where dogs with no restraints or in the front seat where the airbags deploy can get injured or killed in an auto accident so finally decided to get these.These keep my pup in the back seat where she belongs and keep her from jumping out the door as soon as I open the back door. It also makes me feel more comfortable rolling the windows down further in back because I know she isn't going anywhere. No accidents yet (and hopefully I never have to figure out how well they work in that scenario) but I feel much more comfortable knowing she's belted in.Set came with two so I keep one in my second vehicle. Very economical purchase.Was too long unable to shortenI think the price is right. I have a small 14lb dog or will be sufficient to keep him safe in the back seat but he is not a puller. I do find the clip on to the harness is a very flimsy one if you have a dog who pulls I could see this easily breaking, I’m not sure it would keep my dog safe in the event of an accident. I’ll be replacing the clip and reinforce if the stitching for my own piece of mind.Belt itself is ok, but the clip is not strong enough for bigger dogs.