Hello how may I help you? I need to make a return please I am sorry all our sales are final. Well, this bicycle helmet was defective, so I'm sure you can return or exchange it Please refer to the warrant on the box or inside of it to make a claim with the manufacturer. I shouldn't have to do that. You sent me a defective bike helmet I am sorry we cant help you further. We are just a supplier. All defects must be taken up with the manufacturer. I demand a refund! You are eligible for a refund with the manufacturer. The warranty information has a contact number to submit a claim for a refund. I want to speak to a manager please I am sorry that is not possible.