So that you can plan accordingly for year end orders, Thursday, December 23 is the last day orders will be processed and shipped in 2021. Hampton Research will be closed Friday, December 24 through January 2 and will reopen Monday, January 3, 2022. All orders received between Friday, December 24 and January 2 will be processed Monday, January 3, 2022. Each and every one of us at Hampton Research appreciates you using Hampton Research crystallization research tools. As always, best of success with your crystals!