WYPALL*X50 Wipers in POP-UP* Box. Strong, economical wiper is ideal for manufacturing, healthcare and transportation environments. HYDROKNIT* fabric provides reinforced strength for wet or dry light-duty tasks. White. One-at-a-time, pop-up dispensing. 9. 1 x 12. 5 sheets. 176 wipers per box; 10 boxes per case (1,760 wipers). .