I used Yeps.io announcement bar. Works well, looks great, easy to set up, customizable. There are quite a few options for free.
Thank You.

I used this app to help me set up my slogan at the top of the page. Pretty straight forward. Works great, easy to use! Thanks, appreciate.

Wonderful app very easy to use, one click setup, loads fast, customizable, best of all free. I would recommend!!!

I really love the things that the app give me for free .
Love it !

This is it. This is what you need if you want shipping and announcement bars. Get it now.
Excellent

its going greatttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttt

This app is great. Easy to use, really clean and helpful. Five-stars no doubt. A lot of things solved with just one app.

This app works really well and is very easy to use. The bars look really good and has many features

Simple to install, works exactly as described. I used it to notify customers that we were on vacation and when the next batch of orders would ship! Thank you!

I really like this app, it's really useful and easy to use. I use it to add the cookie announcement to my store.