I just applied a top fin aquarium background cling to my tank and I absolutely love it! It was really easy to apply and adjust and it looks great. My new fish Rufio was having a hard time with his reflection and was constantly flaring at himself and racing up and down the tank nonstop. I had tried a regular type of back ground but it made it worse because it wouldn't press to the glass enough, but this one is amazing. It adheres great and it will come off clean if I ever want to change it. It works just like other window clings. Rufio and I are thoroughly impressed and just thought that we would share.