Dear Benji,
I provide the date of purchase receipt in the mail attachment.
1xVapor Flask 133(Order#W00026795-November 10, 2016)
3xRDNA 40(Order #100012554-October 6, 2015)
2xDNA 200(Order #100022747-June 30, 2016)
1xVapor Flask(Order #W00025666-September 30, 2016)