You can allow your customers to choose multiple answers when answering a question. For example, your customers could be allowed to choose two types of feathers on a hat.
Selecting the Checkbox input type
You can select the checkbox input type, which always allow your customers to choose multiple selections.
Activating the 'Multiple Selection' setting for Thumbnail, Dropdown or Label input types
Open your product.
Create a question, pick Thumbnail, Dropdown or Label as your input type.
Add more than one answer.
Under Input type, toggle on the Multiple selection setting.
Click on the setting icon next to Input type to set the minimum and maximum selections quantity.
If your answers contain images, they will be displayed in the order in which they were selected.