urface of Gua sha scrapping board has gaps or cracks affect the use function(In addition to the edge surface, it is allowed to have a slight notch and crack less than 1.5mm).All of our products have been inspected,Customers may take pictures of defective products if they find any of the four situations mentioned above.After Verified by our company, we will make corresponding compensation and replenishment for the defective products.We use real natural stone materialfake 1 compensate 10 !!! quali