Durable Desk Mat 530x400mm PPDurable Desk Mat 530x400mm PP The long lasting non slip desk mat has rounded edges and is constructed of polypropylene, which is simple to clean with a damp cloth or wet wipe. The multi layered desk mat offers longevity as well as a stable and comfortable writing surface. The desk mat is very durable and long lasting. The desk mat is 530x400mm in size.