Alpus Attribute Guides plugin provides you attribute guide including size guide. Maybe customers need not only attribute swatch features but also attribute guide one to buy suitable products. This plugin will be helpful to let you know attribute information so you can buy products which are easy on the eye.

Firstly, you have to make a attribute guide block using block builder. After you select it on editing attribute page for certain attribute you want to show the guide block.

Then guide button is appeared behind of the attribute swatch in product detail page. You click button, guide block data tab is automatically activated.

Video Guide