De or het washipapier?

The correct Dutch article is:

het washipapier

How to use washipapier

the washipapierhet washipapier
this washipapierdit washipapier
that washipapierdat washipapier
our washipapierons washipapier
your washipapierjouw washipapier
every washipapierelk washipapier
which washipapier?welk washipapier?
a big washipapier / the big washipapiereen groot washipapier, het grote washipapier