Blotting towels: lint-free, highly absorbent cotton sheets that help expedite the drying of SR2000™ photoresist. Blotting towels can be used prior to placing processed sheets in a film dryer or before hanging processed sheets to air-dry. Do not use blotting towels with SR3000™ Self-Stick film. Other uses: ideal for cleaning glass and crystal. Use as a padding for Magic Dark application.