WHAT'S WRONG WITH MASON JARS?
Mason jars are an out of date design, never meant for cannabis. When a mason jar lid is closed the oxygen is trapped in the jar, oxygen will decrease the potency of your Cannabis in just a few hours.
AVOID USING PLASTIC FOR STORING CANNABIS HERE IS WHY...
Plastic has a static charge that pulls trichomes (crystal particles) off Cannabis, it is essential trichomes stay attached to cannabis for maximum effects.