*Made from polyurethane. No harm if the fish chews and swallows tiny materials,it will be excreted from the body.

*Eco-friendly,durable,no element leak out,non-toxic, PH neutral

*Colors will not fade and dissolve in water.

*Perfect third dimension and imitating the nature living environment for fishes to provide the greatest looking effect .

*More concave places for fishes to hide out so as to reduce the conflict between fishes.

*Backgrounds can be connected together freely to build up a continuous background.

*Easily cut or trimmed down to size with any handheld saw blade or even a utility blade.

*Uses neutral silicon glue to stick backgrounds to the glass tank

*Easy to clean , just use soft fabric to clean gently but no hard brush

*Ideal for decorating aquariums, terrariums, the wall and the garden.

*Lifetime: more than 10 years.