This Nalgene Super VERSI-DRY Lab Soakers are composed of paper with a skid-resistant waterproof chemical-resistant Polyethylene backing that makes spill containment easy absorbing 1,050mL/sq. meter. Thousands of Thirsty Cells? quickly absorb spills and cushion breakable labware. This material may be used as a tray drawer or shelf liner or to wipe up spills since the durable cloth-like top layer that won't fall apart when wet. Roll Dimensions: 20 inch x 250ft Roll. 1 Roll/Case. Nalgene #: 74000-00.