These wear forever!! If they have a design on the sole, I have yet to see that wear off even after years of use.  High quality - definitely not drug store flip flops.  You will have these for years.  Just be careful on the sizing - the US sizing is actually one size too small - for example if you wear a women's 7 or 8, then order the 9.  If you order the 7/8, you are going to ALWAYS get ones that say 6 and are too small.  I do not understand this, but I finally got the knack of how it works if you aren't buying in person.  Still - they don't come apart  - unless your dog likes to chew them, they will pay for themselves given time.  Mt fav brand.