De or het walrustand?

The correct Dutch article is:

de walrustand

How to use walrustand

the walrustandde walrustand
this walrustanddeze walrustand
that walrustanddie walrustand
our walrustandonze walrustand
your walrustandjouw walrustand
every walrustandelke walrustand
which walrustand?welke walrustand?
a big walrustand / the big walrustandeen grote walrustand, de grote walrustand