Water-resistant Ink Porous Point Pen, Stick, Fine 0.4 Mm, Assorted Ink And Barrel Colors, 6/pack Bus Tub Round rings are mounted on

Round rings are mounted on the back lid which allows pages to lay flat and prevent wear and tear of the documents

A heavy duty

It eliminates the cardboard core and paper wrap

They are the shop towels that can help you get just about any job done right

Measures concentrations between 10-200ppm

Water-resistant Ink Porous Point Pen, Stick, Fine 0.4 Mm, Assorted Ink And Barrel Colors, 6/pack Bus Tub Round rings are mounted onThe performance of a Sharpie permanent marker meets pen like precision in typical signature style. A slim design, contoured grip, and fine point come together to deliver dreamlike detail and excellent control. Pens feature quick drying and fade resistant ink that won't bleed through paper.