Kimtech 33330 W4 Critical Task Wipers, Flat Double Bag, 12x12, White, 100 per Pack (Case of 5 Packs) Wipes are anti-static (anti-stat). Low lint for environments where lint-free" standards are important. These disposable wipers are certified for ISO Class 4 and higher cleanrooms. The white wipers are double bagged for an extra layer of protection in sensitive environments. Ideal for use in high-tech, biotechnology, pharmaceutical and medical device industries.