While there were some imperfections in the sewing, they weren't overly noticeable. However, two items from the stack were non-functional upon delivery, necessitating a replacement.

This vest is perfect! It's a great item.

This vest is great. It stretches, making it easy to fit. The LED lights shine very brightly. Though not yet tried on a bike trail, it appears more substantial than a standard rear bike light. To activate the light, simply remove the paper strip that isolates the battery.

This vest is great. It stretches, making it easy to fit. The LED lights are very bright. I haven't tried it on a bike ride yet, but it seems like it would be much brighter than a typical rear bike light. If the light doesn't work, take out the paper that is between the battery and ready the device.