This double sided 3.5" air freshener is unscented. These double sided items come with a string to hang the freshener. End customer can apply 3 drops or sprays of their favorite clear perfume, cologne or essential oil. Just reapply as needed and yes, you can change the scent! Printed via Sublimation process. Durable material: made of quality polyester felt material, the blank board is safe and non-toxic, no peculiar smell, easy to clean and dry, not easy to deform and break, can be applied for a long time, high and low temperature resistance, durable and reliable for long time use. These come packaged for peg hook display. *We offer custom printing for the same price.* **Order takes between 5-14 business days to print and ship**