Variation Switcher in Cart for WooCommerce allows your users to change their variations on their cart page.

Features offered by this plugin are listed below,

1. Works for Registered Users & Guest Users

2. Works for Variable products & Variable subscriptions

3. Variation Switcher Link can be displayed on Checkout Page

4. Variation Switcher display method
– List
– Popup

Complete Feature List on WooCommerce.com