Floortex Anti-Microbial Advantagemat, Rectangular Chair Mat, for Standard Pile Carpets (3/8" or Less), Size 45" x 53" (FRAB1113426EV) Chair mat with anti-microbial ingredient built-in to protect the mat from microbial deterioration. Tested to the International ISO22196 standard. Free from the phthalate plasticizers now banned from children's toys and medical instruments - making Advantagemat PVC mats even safer to use. Easy-glide surface provides ergonomic benefits for the chair user - easier movement can reduce leg fatigue. An eco-friendly choice: 100% recyclable. Produced using up to 30% renewable energy from the on-site wind turbine at our manufacturing plant. Contains up to 25% recycled content. Protects your carpet from damage caused by chairs and footwear. Gripper back for use on standard pile carpets (3/8" thick or less) Rectangular. Size: 45" x 53"; mat size may vary slightly due to manufacturing process