1]zip lock baggie then duct tape repeat 3 times 2]then take a shampoo bottle and empty contents into a glass or plastic container 3]place weed in shampoo bottle 4] using funnel refill shampoo bottle with shampoo 5] wipe off excess or splilled shampoo and place in your CHECKED luggage this is ok for going down dont try it coming back this method has served me very well for mailing and trips to mexico or domestic be carful and have a good trip if you are going to the yucatan take a day and do the booze cruise to isla mujures nice people cheap drinks and many pretty girls