This finger sack is designed to keep you from getting stuffy even when worn for a long time. 4 per bag It does not get stuffy, so you can easily use it while wearing it. Formulated with a highly abrasion-resistant material that allows the paper to roll smoothly. L: Inner Diameter: 0.7 inches (17.5 mm); Length: 0.6 inches (14 mm); For mens thumbs.