I have owned them for around 6 months and a few have snapped, a few have been lost, but I still have over half a packet left so far, so I do feel that I have got my monies worth out of them.I found that these bands are quite durable, they are made out of elastic kinds of material and are black and shiny in colour, they hold really well in my hair and can take the heaviness of my ponytail really we