Top quality stainless steel weight custom flexible rotating dumbbell 2. How about your quality warranty ? All of our products : After you received12 Month broken : Free to change the new one . Some accessories quantity is allowing 1% more. It is allowing more or less 2% for the weight .   3. What is your delivery time ? Normally need about 15-20 days after received the deposit . Some customized products will be longer . 4.Which port are you shipped ? Usually do Tianjin port . Also can do shenzhen ,shanghai ,ningbo port as your requirement .