... paper3. Scents will last 15-20 days after open4. Fit with small space, e.g:Cars 5. Warning stickers avaliable !Paper Air ... 's Feature:1. Paper air fresher made by paper material with hook and headcard, suitable for car, indoor, office etc. 2 ... freshness 5. Long lasting scents6. Warranty time (life): 1 year with completed package7. Imprint, size, shape and fragrances can be customized ...