Please make sure that you purchase the correct item by asking us as many questions as you like BEFORE purchasing. Returns for refund are costly and time consuming, so we will be more than happy to spend the time necessary with you making sure that you purchase an item that will work for you. Returns for all merchandise is accepted within 30 days. All items must be return in the same conditions as they arrive . We try to revise the items as much as possible before shipping. Ontenda will not pay return shipping postage unless the item comes with a factory defect. For all other returns the customers have to pay the postage for return shipping. We will not accept any used, washed or damaged products.