1. Please check the size chart carefully before buying. If you have any question about it, please leave a message to tell me your weights and heights, we will help to choose the right size! 2. You have up to 7 days from date of receipt to request the refunds or an exchange for a new one in case if you receive a defective product. 3. Your satisfactions and positive feedbacks are very important to us. If you have any problems with our items or services, please feel free to contact us first before you leave negative feedbacks.