AFS-TEX Active Anti-Fatigue standing mats are designed to provide the ultimate standing surfaces combining prolonged comfort and effective body support. Reduces the strain on feet, legs knees and back joints that can be caused through prolonged standing. The AFS-TEX 5000X provides a contoured, non-linear ergonomic surface specifically designed for use with standing and height adjustable desks. Contains anti-microbial content to protect the mat surface from microbial deterioration. Effective 24/7 for the life of the product. Anti-slip base for stability. Non-toxic and phthalate free. Ideal for office or home use.