Product sizing varies between different brands and styles. Product size information can be found toward the side of each product detail page
This info show on the product page when you see the product that you buy if you don't know or do not understand you can call directly on this No: 0309-4626750 and verify your product-related info.
Product size information can be found on each product detail page is mentioned this product, for example,Medium Regular, or mentioned in kg or gram foam.