Product Attributes, Product specification attribute and checkout attributes

HI,


I need to filter products and add them in to cart on

1) size of the product
2) price of each size
3) color of product


products are just imagine clothes.


Please help me to set them in  correct attribute sets such as which can put in product attribute, specification or checkout attribute.

kameshsamarage wrote:
Use product variant attributes (with price adjustments if apply for different sizes) Examples Store and Admin (in Product Variant Attributes tab)