same product with different size and price option

Hello everyone,

my website is http://www.originalitybymv.com. I am selling prodcut has different size with different price. Can anyone show me how to setup 1 products with option of select sizes and price adjust based on the size.

For example. In my website, the body mist has 2 size; travel size for $5, and 8oz size for $12. now i have separate as 2 items.

Please advice.

Thank you

Mary

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