Dumond Catch-N-Cover Microfiltration Membrane 12011Catch N Cover is a strong, breathable, specially treated filter material that allows air and water to easily pass through it while still catching jobsite debris and overspray. Catch N Cover remains strong and durable, and lightweight while wet due to its low absorbent fabric. Reduces clean up time & expense. Catches paint chips, stain flakes, and more. When a job is done, simply fold or roll it up for reuse or disposal. Dimensions of cloth are 11 X 20.