Where to buy long wooden chair in Warsaw!

Hi,
I am looking to buy some long wooden chairs (benches) to put at the corridor outside the house.
Can anyone tell me where to buy in Warsaw please?
These are just examples:

Thanks in advance.
Johan

obi.pl/decom/category/Ogr%C3%B3d_i_wypoczynek/Meble_ogrodowe/%C5%81awki_ogrodowe/335

Market OBI Warszawa Puławska

ul. Puławska 427
02-801 Warszawa
Telefon: 22 859 16 00

Godziny otwarcia
Pon. - Sob.: 07:00-21:00
Niedz.: 09:00-19:00

Also for instance: Ikea, Jysk (I saw some a few days ago)...

Thanks Skrud and InPolska.
I found not only the benches but also some other things there.
Regards.

Updated:
After touring for some rounds at IKEA, OBI and did not find those benches.
Finally i found it at allegro.pl then made order for two. That's easy.