DropDown List on Product

Hi People,

I’ve the Version 4.0 of WordPress and i’m using the EasyPaypal with WooCommerce and i’m needing two dropdown list on the side of the quantity on the product.

Here is an image:
http://s22.postimg.org/48zss7kwx/Captura_de_ecra_2016_04_11_a_s_14_35_03.png

What you advise to install?

Thanks & Best Regards,
Andre.