This is an announcement for the paper “Inclusion properties of Orlicz and weak Orlicz spaces” by Al Azhary Masta<http://arxiv.org/find/math/1/au:+Masta_A/0/1/0/all/0/1>, Hendra Gunawan<http://arxiv.org/find/math/1/au:+Gunawan_H/0/1/0/all/0/1>, Wono Setya Budhi<http://arxiv.org/find/math/1/au:+Budhi_W/0/1/0/all/0/1>. Abstract: In this paper we discuss the structure of Orlicz spaces and weak Orlicz spaces on $R_n$. We obtain some necessary and sufficient conditions for the inclusion property of these spaces. One of the keys is to compute the norm of the characteristic functions of the balls in $R_n$. The paper may be downloaded from the archive by web browser from URL http://arxiv.org/abs/1607.03214