Originally released through the club back in 1980, these badges are part of a three badge set. I did post the “Breathing” badge a little while ago, when I couldn’t find these ones, so you can see that post right “here”.
The “OUT” badge is black with white lettering, and the “IN” badge is white with black lettering. All three badges are 1” round in diameter.
Here’s a group shot of all three badges together. You can also find all three of the badges in the Kate Bush Club Blog Page under the Badge section there.