Medium-sized economy wipe for the benchtop or stencil cleaning. Jumbo economy package of an economical polyester and cellulose wipe. Medium-weight (2.1 ounce) generally lint-free good purity no glues which minimizes residues optimal size for stencil wiping. Class 100 clean room packaging. - This is an excellent, medium quality wipe sized for cleaning SMT stencils and other larger chores. Like it’s smaller sibling, the W66 wipe, the W99 is a perennial MicroCare best-seller. Polyester and cellulose fabric. Economically priced, large package size. Medium absorption, medium weight, relatively lint-free, good purity. It’s the optimal size for use on stencils and other maintenance chores like cleaning pallets and reflow ovens, but it’s probably too big to use on most modern PCBs. Smooth, white, medium absorbency, standard packaging.