So that you can plan accordingly for year end orders, Wednesday, December 23 is the last day orders will be processed and shipped in 2020. Hampton Research will be closed Thursday, December 24 through January 3 and will reopen January 4, 2021. All orders received between Thursday, December 24 through January 3 will be processed Monday, January 4, 2021. Each and every one of us at Hampton Research appreciates your using Hampton Research crystallization research tools. As always, best of success with your crystals!