You can now refill your Car Diffusers! These 30ml glass dropper bottles will provide 3 refills to your 10ml Car Diffusers Instructions for use: + Twist and remove the lid of your empty car diffuser + Carefully remove the clear plastic stopper (if you have one) + On a flat surface carefully use your dropper from your refill bottle to drop the oil into your car diffuser. + Have a tissue handy in case any oil spills. + Once filled, replace the lid, tip upside down for 2-3 seconds + If use choose you can replace the plastic stopper. + Hang back in your car till you need the next refill ALWAYS FOLLOW THE CARE INSTRUCTIONS CARD THAT COMES WITH YOUR CAR DIFFUSER