By purchasing this product, you agree to the following terms and conditions: This product is sold "As Is" with no warranty of any kind. This product will not be used for medical purpose. NO medical claims or claims regarding its effectiveness at stopping the transmission of viruses or diseases. The buyer(s) or User(s) assumes all risk.The buyer(s) or User(s) voluntarily waive the rights to sue over any issues that may arise from these goods. Laws of China would govern any legal disputes related to this product and the courts where the manufacture(s) reside would have jurisdiction to resolve such disputes. The seller reserves the right of final interpretation.