Dura-Weave Consists Of Several Layers Of Soft Wet Strength Towel Grade Tissue Reinforced By A Network Of Rayon Threads. The Threads Are Laminated Between The Various Layers With A Gluing Agent Resulting In A Combination Of Softness And Strength. Waterproof: In Order To Make Dura-Weave Even More Efficient, It Has Been Coated On One Side With Polyethylene. Size 21" X 30" Packed 100 Per Case. An Excellent Match For Our Disposable Sheets.