Aquadecor Background M2 (for Juwel Tank)Flexible and durable Dont need to be siliconed and can be installed in a full aquarium Hollow at the back (all equipment can be placed behind the background) FAQ : 1. 5 years warranty : This means that, if during that period something happens, we will send you a replacement background, in the same color, model and size. In order to accept your claim, we will need to receive a few photos that clearly show the damage, and the proof of payment. We dont