Feature: 1. 400 Sheets: Perfume test strips provide fast and accurate results in quantities sufficient to meet daily needs or replacements and those of committed stores. 2. Wide Applications: These white paper test strips are ideal for testing fragrance oils, perfumes, essential oils, etc. They help classify liquids quickly and can also be used to determine if someone has lost their sense of smell. 3. Safe and Durable Design: These disposable perfume test strips are made of paper, thick, safe and reliable to use, you will feel very comfortable when using the test paper. 4. Simple Operation: Simply dip the narrow end of the test strip into the essential oil (or 2-3 drops) and wait a few seconds, then place it 3-5 inches from your nose and note what oil the wide end of the strip is on. 5. Compact and Portable: These sharp perfume test papers are 0.3 x 5.1 inches, small and portable, lightweight and compact for your convenience whenever and wherever you need them. Specification: Features: 400 Sheets: Perfume test strips provide fast and accurate results in quantities sufficient to meet daily needs or replacements and those of committed stores. Wide Applications: These white paper test strips are ideal for testing fragrance oils, perfumes, essential oils, etc. They help classify liquids quickly and can also be used to determine if someone has lost their sense of smell. Safe and Durable Design: These disposable perfume test strips are made of paper, thick, safe and reliable to use, you will feel very comfortable when using the test paper. Simple Operation: Simply dip the narrow end of the test strip into the essential oil (or 2-3 drops) and wait a few seconds, then place it 3-5 inches from your nose and note what oil the wide end of the strip is on. Compact and Portable: These sharp perfume test papers are 0.3 x 5.1 inches, small and portable, lightweight and compact for your convenience whenever and wherever you need them. Specifications: Material: Absorbent cotton paper Color: Black, White (Optional) Quantity: 400 sheets Package Size: Approx. 15*4*4cm/5.90*1.57*1.57in Package Weight: Approx. 147g/5.18oz Package List: 4 * Test Paper Strips (Total 400 sheets) Package List: 4 * Test Paper Strips (Total 400 sheets)