1).Dia 17mm aluminum poles makes the pop up stands structure extremly strong . 2).POM hook style connection strengthen its stability . Becuase of the POM material , the connector hook is flexible and durable which is never get borken . 3).Custom size is available for this pop up stands, usual size is 10ft , 8ft . But 30ft , 20ft flat or curved are also available with the customer's requirement . 4).the fabric pop up stands'graphic attachment is with hook and loop fastener , easy and faster to fit . 5).Printed service is also provided , we can offer all the service by one stop . 6). Super quality and competitive cost , makes it wide popular in the world !