Would This 3d Background Be Safe?

[prelovedfurnishings]

http/www.ebay.co.uk/itm/180952839894?ssPageName=STRK:MEWAX:IT&_trksid=p3984.m1423.l2649

I'd be buying two of these. In your opinion would they be safe for my aquarium?
Quick answers needed as need to buy these today!

Thanks.

 

[bmonki]

afaik it doesnt go inside so anything is safe

 

[Aquascaper]

As stated in your other thread, yes