Had a tough time getting my impressions correct, and waiting three days each time for approval, and then a week for new paste to be shipped out made the process quite a lengthy one. BUT! Once i sent impressions in that we’re good to go, it was a quick turnaround to receive the finished retainer. It’s not quite as sturdy as previous retainers from other companies, so i wonder about longevity. Definitely upgrade to get your impressions back so you can reorder quickly and easily without having to r...