YiThemes - YITH WooCommerce Product Add-Ons v1.3.1

Product variations don't always satisfy the customers' needs. Imagine selling wedding rings. The one who purchases them has a specific need (togli la s in needs), such as the possibility to add a brief sentence or to choose weight, color, size and sparkle. These parameters are difficult to be implemented in a product and they would cause a price change according to users' chosen combinations.