This is supposed to be a stepping stone for outside. I’ve had mine out for a couple months and it has disintegrated and crumbled all over right next to my good stones that are perfect and in tact. 
This is not made for outdoors. Maybe I missed that somewhere but other reviewers state having theirs in their garden. Of course I can’t return it now. I wish I could give 0 stars for this junk and mess I have to clean up.