They are all unscented. They can be pre scented, come with a vial of pre mixed oils, or unscented. We can discuss the scent you would like whether it is just one like Lavender, peppermint. or a mix for stress, anxiety, headache relief, joy. They are held together by super strong and stretchy string. You still need to be careful on how hard you pull it, wearing it in the shower, bath or swimming and how much you saturate it with essential oils. Please measure your wrist as they come from 6.5″ to 8″.