Back In Stock Notifier is a WooCommerce Waitlist Pro Plugin which displays the Email Subscription Form when a Product is Out of Stock. Those interested in purchasing the Product will Subscribe for Email Notification. When the Product is Back in Stock, the Back In Stock Notifier notifies the Subscribers by Email there by turning all those Subscribers into probable Customers. By using Back In Stock Notifier, you will never loose a sale even when your Product is Out of Stock. Back In Stock Notifier captures all those missed sales.