daveeda on "[Plugin: WooCommerce] Add the Cart Buttons on my Variable Products"

I uses Woo Commerce and my add to cart buttons are missing on my variable products this is my website http://www.daveedajane.com

The Variable Products are Below
http://www.daveedajane.com/?product=ladies-fragrance-oils
http://www.daveedajane.com/?product=men-cologne-oils
http://www.daveedajane.com/?product=dry-oil
http://www.daveedajane.com/?product=shea-butter-lotions-8-oz

Can anyone help me.

https://wordpress.org/plugins/woocommerce/