Instrumentul de masaj sanitize the egg before first use. After use, clean it, dry it, wrap it in a soft cloth, and then store it in the received box. You can sanitize it by washing with soap, then rinse well with clean water. Warning! These jade eggs are for intimate use. Returns are not accepted for hygiene reasons. The jade egg is not a substitute for medical treatment. Please discontinue use of this product and consult your doctor if you experience any discomfort when using this product.