Purchase instructions: 1: About Customer Service Online hours: Pre-sales customer service: 08:30 AM - 10:30 PM, After-sales customer service: 3:00 AM - 21:30 PM.If your inquiry was not responded to promptly, it may be due to a high volume of inquiries at that time. Please leave a message and wait patiently for a response. 2: Regarding after-sales service We will provide complete after-sales service, including 7-day no-reason returns and exchanges, and 15-day returns, provided that the shoes do not affect their resale value. 3: Regarding Shipping After the order is placed and payment is made, the warehouse will arrange for shipment within 48 hours based on the buyer's transaction time.Our default courier company is 4: Precautions Dear friends, before placing an order, if you are unsure about the size and the insole...The actual product received shall prevail For trademark inquiries, please consult customer service before placing an order. Thank you for your support! Currently, all insoles received will be changed to: [9-LYTX] with trademark number: 26500887