Vswab™ from Visible Dust is a new innovative unique (patent pending) design of Sensor cleaning swabs.*12 swabs per pack- it fits full sensor size such as Nikon D3, 1ds MK III & 5D. Compatible with: VDust Plus™ The advantages of the (patent pending) Vswab ™ over the former or square format swab comes from its unique letter "V" shape. This shape has several advantages over the square format swabs currently in the market. For example, the narrower edge of the V shaped swab minimizes the contact between the swab & the chamber wall. This ultimately eliminates the lint produced inside the camera eventually from falling on the sensor. Another advantage of the V swab™ is a better maneuverability & easy swabbing while inside the chamber. Due to its triangular form The Vswab ™ (patent pending) applies equal pressure to the edge of the swab pad. This brings a more homogeneous swabbing motion & less streaking along the edges. Cautionary Note: Visibledust sensor cleaning solutions & swabs are calibrated to work together to produce optimal & safe results. Please DO NOT USE alternative solutions with the Visible Dust swab. A simple grain of quartz which is found in cheaper solutions are enough to produce an expensive scratch on the low pass filter. Visible Dust solutions are manufactured to the highest standard of quality that is practiced in pharmaceutical industries. Visibledust solutions are calibrated for NORMAL evaporative rates: to keep the swab moist at all time to reduce the risk of scratch to increase the cleaning power, less swabbing more economical to reduce friction by being moist all time during swabbing The potential risk of FAST evaporative solutions used as sensor cleaning are the following: an increase in the risk of damage & stress to sensor coating by using premature dry swab a great reduction in cleaning power by shortening the contact time between contaminants & solution due to the increased evaporation rate of the solution increase in friction by using a premature drying swab, resulting in static charge build up leading to an even greater dust accumulation on the sensor Visible Dust cleaning liquids are intended to be placed on the swab first, so the concern for liquid seeping through the sensor is not valid or accurate. On the other h&, the disadvantages of a generic brand or FAST evaporative liquid used for sensor cleaning may in fact may casue damage to the sensor by requiring repeat swabbing & is not recommended.