1. a small hole made by a sharp object. 2. (Automotive Engineering) a perforation and loss of pressure in a pneumatic tyre, made by sharp stones, glass, etc. 3. the act of puncturing or perforating. 4. (Automotive Engineering) the act of puncturing or perforating.
The size of the bag depends on the size of the machine you have. If you have a small machine, you get a smaller bag. My machine is a 'medium' sized one, and my bag lasts approximately 6 months or so. Bags are not cheap, but they are part of the great filtration on this machine, so I suck it up (pardon the pun).
Classic Base Bag and Classic Shells. Miche Classic base bags come in two colors: black and brown. It measures 5.75-inches in width, 11.75-inches in length and is 6.5-inches tall. It comes with a 7-inch drop handle and comes equipped with one large interior pocket and two smaller ones.