CUSTOM PREVIEW - you can change this in the previewTemplate option

.icon-bear-2:

.icon-bear-primary:

.icon-bear-secondary:

.icon-burger:

.icon-chevron:

.icon-cloud-sync:

.icon-delete:

.icon-disc-arrow:

.icon-disc-plus:

.icon-eye:

.icon-flag:

.icon-hotdiggity:

.icon-kswiss:

.icon-map:

.icon-marker:

.icon-menu:

.icon-minus:

.icon-mountain:

.icon-over-ie8-data-uri-limit:

.icon-piggy:

.icon-plus:

.icon-search:

Embedded SVG option

(The data-grunticon-embed attribute tells grunticon to inject SVG inline):

icon-burger:

icon-burger (styled variation):