Buttons - Material Design

Buttons - Components - Material design guidelines

Premium Vector Vector set of modern gradient app or game buttons

20 Beautiful Google Material Design Buttons free Resources for Inspiration, by WD Author (digiwebcraf.com)

Buttons - Material Design

On and Off Toggle Switch Buttons. Material Design Switch Buttons

Material Design Checkboxes & Radio Buttons In Pure CSS - icheck

Material Components widgets

Prototyping for Android with Material Design — SitePoint

Buttons - Material Design

Buttons - Components - Material Design

Easing the Use of Material Design's Common Buttons with Custom Lint, by K9i - Kota Hayashi