Add soothing, earth tone colors to your classroom with Sprogs' Natural Color Big Cogs Classroom Rug. Designed to withstand years of daily use, this rug features bound and serged edges to prevent fraying and stain-resistant, 30-ounce nylon with anti-static treatment. Antimicrobial protection prevents build up of mold, mildew and other bacteria. Meets Class One fire safety requirements, is Green Label Plus certified by CRI's indoor air quality program and is backed by a Lifetime abrasive wear. Choose from three convenient sizes. Rug measurements are approximate.