NOTE:
please choose 7/8/9/10/11/12 and leave message for what size
size 7 ------ inner dia. 18.0mm
size 8 ------ inner dia. 18.5mm
size 9 ------ inner dia. 19.5mm
size 10 ------ inner dia. 20.2mm
size 11 ------ inner dia. 21.5mm
size 12 ------ inner dia. 22.0mm


Shipping:
1. Your order will be well packaged for security and shipped with in 48-96 hours after receive your clear payment.

2. Delivery Time: 15-38 days(exclude holidays).

3. All the items should be received within 2 weeks not over 4 weeks. Please inform us if item not received over 4 weeks and we will give you 100% satisfied solutions.

Return Policy:
1. If you have not received the item more than 40 days after you pay for it, please contact us first. We will give you 100% satisfied solutions.

2. If you find any quality problem of the item after you receive it within 7 days, please also contact us as soon as possible, we will help you solve the problem.

3. If you are not completely satisfied with your purchase, you may return it to us for a promptly exchange or we will refund your payment. The shipping fee and insurance is not refundable.

Feedback:
Your comment is very important for our business success.

1. If you are satisfied with the purchase and our service, please take a minute to give us a positive feedback.

2. If you are not satisfied with our product and service, please do not leave negative feedback urgently. Please contact us first, we will do our best to resolve your problem and make you satisfy

Contact:
If you have any questions, our Customer Service staffs welcome you to email. We strive to answer all questions and resolve any problems as quickly as possible.