DIY Halloween Decorations l Black Cat Balloons l Halloween Party Ideas l This easy DIY black cat balloon craft is simple and fun to make, only needing a few items to create. All it takes is a white marker or paint pen and some construction paper ears to turn black balloons into black cat balloon decor for Halloween. Find ideas for your Halloween party decor, Halloween party treats, and Halloween entertaining table setting at darcymillerdesigns.com.