علی زارعی

Create a new default attributes 
Add the attributes 
load group in added in new product page.
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WooCommerce Load Group Attributes Product

افزونه ی بسیار کاربردی که واقعا تو زمان صرفه جویی میکنه

افزونه کاربردی

Define default attributes to be automatically added in WooCommerce new product page

Andrei Zobnin

This plugin returns the option to choose a product attribute type, which was removed from WooCommerce 3.3. With this plugin you can use select/text/number/textarea type.
WooCommerce requires at least: 3.6

Text Attributes for WooCommerce

Allows you to type attribute values in the input field instead of choosing from the drop-down list.

WooCommerce Load Group Attributes Product vs Text Attributes for WooCommerce