Raw materials: high-quality leather carving products must use high-quality cowhide tanned by plants, which is simply a piece of high-quality cowhide with vegetable tanning agent. This is a kind of leather completely tanned with vegetable tannin, which contains no heavy metals harmful to human body. It is an environmentally friendly and pollution-free high-quality cowhide. Technology: Handmade leather carving technology has developed for hundreds of years, and has created a relatively perfect combination of carving tools. Through the combination of these tools, various exquisite patterns with relief effect can be carved on cowhide. Handmade leather carving has been applied to all kinds of life leather goods. Because it is handmade, each product is unique, so it has high artistic value.