Their fine point tips are durable to enable more sophisticated lines when writing on non-porous and hard-to-mark surfaces. I’m also happy to know these markers are specifically designed for both children and grownups who are interested in art....
wear & tear, so you can roll up the reusable, memory-free mat again & again for endless mealtime fun at home or on the go. Keep the harsh chemicals found in plastics & lower-grade silicones away from your family & out of our landfills with the easy to clean, playful mark-mat series...
This study aimed to assess the markers of chemical and microbiological contamination of the air at sport centers (e.g., the fitness center in Poland) including the determination of particulate matter, CO2, formaldehyde (DustTrak™ DRX Aerosol Monitor;