If you mail ,go to jail as hazardous materials permits,triple containers and such required. X rayed and you do NOT obtain proper shipping requirements and your butt a going to the slammer no questions asked as listed at every post office in the nation AND every time you send a pakage you are asked about its contents in relation to haz.mat. Hand to hand or bubba will vist ya soon and Leroy will visit ya in your cell at midnight daily. AMOUNT MAKES NO DIFFERENCE.I've used for over 55 years and no problems but will kill ya deader than a doornail right quick like when vaporized as in Butler labs Costa Mesa(40+ years lab experience) or my neighbors on the NF Yuba who killed all 3 kids/wife/himself-John