We refer your various emails regarding quality norms.
Please note when we make cord we use normal leather & our cord is good for stainless steel or other less value metal products when used in making jewelry.
As your product is made in silver it is best you go for premium quality leather which we are already doing for customers in Europe. It is just our suggestion.
We can also make luxury & ultra luxury quality ; but as still we don't have any customer for the same we don't have samples.
Attached herewith price list for premium quality leather.