1Compact Shape: The fragrance test strips have a compact shape designed to concentrate fragrance for your testing needs 2Paper Material: The perfume tester is made of paper material, which is lightweight and eco friendly, the package includes 100pcs 3Convenient and Practical: Just dip the narrow end of the fragrance test strips in essential oil (or 2?3 drops) and after a few seconds place 3?5 in away from your nose to smell 4Scope of Application: The perfume test strips are simple to use but very functional, ideal for testing aromatherapy oils, perfumes, essential oils, etc 5Quick Test: The perfume paper test strips can help you sort liquids quickly and can also be used to test if a person has lost their sense of smell