https://secure.yourdhl.com/surveys/airmax_survey.asp

Please complete the brief survey below and help us better understand what you’re looking for in a shipping partner. Our goal is to provide you with the highest level of service. We even offer this guarantee: When you ship with DHL Next Day 10:30 A.M. delivery, we’re on time or your money back.* And that guarantee also applies to our Next Day 12:00 P.M. and 3:00 P.M. delivery. It’s yet more proof that customer service is back in shipping.