This chair mat is made of clear PVC material, which is durable, odorless, non-toxic, and has a long service life. It has a smooth surface, which is comfortable to sit on, and does not interfere with the movement of the chair. The chair mat is suitable for various places, such as offices, homes, conference rooms, schools, training rooms, etc. It can be used under a desk, chair, or table to protect the floor from scratches and wear. The chair mat has a size of 28 x 30Inches, which is large enough to fit most desks and chairs. It is easy to clean and maintain, and can be wiped clean with a damp cloth or vacuumed. The chair mat is also easy to roll up and store, and does not take up much space.