Please Note: These eyeglass nose pads have strong adhesion, comfortable, transparent and non-slip property, can save your time and effectively reduce the burden of your nose bridge. Recommend changing nose pads periodically, because the nose pads' viscosity is affected by water, oil, dust, and high temperature. Specifications: Size: 19 x 8 x 1 mm Material: silicone Quantity: 20 pairs Package includes: 10 Clear, 10 Black Warm notice: Stay away from water, oil, dust, and fire. Keep small parts away from kids under 3 years old. Please make sure the glasses clean and dry before stick the nose pads. Don't repeat paste, twice adhesive will affect the nose pads' viscosity.