This awesome LOTS OF DOTS RUG - 5ft4in X 7ft8in will go great in your classroom! Make the transition from chairs to floor much easier with this organizational rug. Each row has a color, and each child has a dot. With generously sized squares, kids can keep elbows and knees tucked inside. Item number ending in D or DD seats 30 and size C or CC seats 20. This carpet features: 10 Year Wear Warranty, Lifetime Antistatic Protection, Lifetime Antimicrobial Protection, Lifetime Soil and Stain Protection, 100% High Twist Premium Nylon, 2-Ply Heat Set Yarn, Tufted Cut Pile Construction, Indoor Air Quality Certified, High Fiber Density, Residential and Commercial Traffic, Class I Flammability Rating, and Colorseal Permanent Bleach Protection to permanently protect the fiber against color loss and deterioration due to the effects of bleach, oxidizing agents, and food colorants.