DURABLE VINYL: No Running Pool markers are made from 20 mil thick non-skid vinyl and are good for long-term use, even in high traffic areas. EASY INSTALLATION: Adhesive Pool markers are easy to install on any smooth, clean surface with their water-proof bond. They are ideal for pool tiles and pool decks. ANTI-SKID WITH PEBBLED FINISH: SlipSafe floor signs are constructed from non-skid vinyl and laminated with a pebbled finish that protects the graphics. The textured surface helps prevent slips and skids. MEETS COMPLIANCE: Made in USA Markers meet UL 410 (the latest standard of slip resistance of floor surface materials) and ASTM E303 (standard method for measuring surface frictional properties). PACK CONTENT: One 5.75 x 5.75 inch red, black and white vinyl pool marker sign. SmartSign 5.75 x 5.75 inch “No Running” Adhesive Pool Marker with Graphic, 20 mil Laminated Vinyl with Anti-Skid Pebbled Surface, Red, Black and White