Description Description These essential oil test strips are perfect for testing oil scents. You can use them to make your own blends or to get a more accurate smell of your other oils. Just dip the end of the strip into the oil (or put 2-3 drops on it) and let it sit for a few seconds. You then hold the strip from the nose and take a short whiff. Features - Color: White.- Material:Paper.- Size: Approx. 13.5 x 0.7 x 0.5 cm / 5.31 x 0.28 x 0.2 inch- Made from paper with soy ink printed. Environmentally friendly and safe to use. - The essential oil test strips are unmarked and perfect for testing oil or perfume scents. - Easy and convenient to test. - Designed to test aromatherapy oil, perfume, essential oil and so on. - You can use them to make your own blends or to get a more accurate scent. Packing list: 300 x Perfume Test Strips