Using essential oils on the go just got easier and way more fun! Utilize this fun and hip essential oils slap bracelet to take your oils with you. Life should be fun, diffuse your oils while having fun! HOW TO APPLY: best used with a dropper bottle with a carrier oil, simply drop some oil onto the center lava stone and let soak for a couple minutes or more. The longer you let sit the stronger the scent will be. You will continue to smell the scent for hours and can last 2-3 days.