Polymer itself is 47KB. If you add the web component polyfills (16KB), that's 63KB minified and gzipped. I tend not to consider the polyfills because they're no

Polymer itself is 47KB. If you add the web component polyfills (16KB), that's 63KB minified and gzipped. I tend not to consider the polyfills because they're not Polymer and are a stop-gap that goes away over time.