Description
High Impact Polystyrene - 6" x 5/8", 30mil thick.Professional Quality - these are currently being used by some of the largest nurseries in the USA.Smooth surface for easier writing.Waterproof - can be wiped clean and reused ALSO Writable with pencil, ballpoint pen, grease pencil/china marker and permanent marker (We do not recommend regular Sharpie permanent markers).Premium stakes provide high stiffness and very good weather-ability for prolonged outdoor use