Sticky Mats for Cleanroom This product is made of 30-layer film coated with adhesive. Placing a sticky mat in high traffic areas and main entrances will keep room clean. Tacky mats are widely used in a variety of industries including: Semiconductor AerospaceAutomotive Hospital Home / Garage Construction Pet CareIndoor SportPhotography Server Rooms Manufacturing Plants Warehouses Installation 1.The bottom left corner of each sheet shows the label 1-30 for easy replacement. 2.When using, please firstly tear down the covering layer of adhesive surface from the back opening, then please adhere it on flat, clean and waterless floor. then tear down the covering layer from the front opening. In this way, you can use it. Storage Long-term storage of product should always be on a hard, flat, and solid surface. Normal warehouse conditions are usually acceptable but extreme temperatures (less than 0 or greater than 40 C / 104 F) should be avoided.