In your cart design dashboard, click on the bundle section. Here you can style of your bundle, to fit your store and brand.
To add your first bundle, click on Add Cart Bundle button.
To style your buttons, background and colors, click on the color pickers below.
This bundle will trigger when certain items are in your customer cart.
Choose the trigger products for this bundle, from the left sidebar.
https://i.gyazo.com/1c4459a30a44c2c2e8c642354ccbc3e3.mp4
You have 3 spots available for the bundle. 2 of them are optional.
When you are done, click on the Save Cart Bundle button**.**
https://i.gyazo.com/ca610ade56f65d9b3531efd819795828.mp4