Dear boss, welcome to our store. If you need to customize the quantity or modify the shipping fee, you can add WeChat at 19198378956. Our store supports a 7-day return policy for products purchased for personal use. However, we do not support a 7-day return policy for wholesale or sample guests.

The dimensions marked are all external diameters.

Small business operation, low profit margin, if the sold products have damage, please take photos and contact customer service for after-sales service. Our store does not support return without any reason. Thank you for your cooperation. For invoices and custom orders, please contact the manager's WeChat.