Puritan Self-Saturating 91% Alcohol Swabs, Foam Tip, 50 /Bag Just Press and Squeeze - always fresh! Simply squeeze the handle to break the seal and squeeze - allowing the solution to saturate the foam tip.. Clean and remove buildup quickly and easily. Some cleaning applications - Roche Coaguchek Testers, print heads, bar code printers, electronic components and more. Popule Alcohol Swabs are filled with 91% IPA and 9% Deionized water solution. Foam Tip Applicator Dimensions: 26.975mm (1.062in.) L x 14.275mm (.562in.) D. Handle Dimensions: 104.775mm (4.125in.). Packaged: 50 Puritan Popule Alcohol swabs to a bag. Puritan Part# 4545. Made in USA.