AFS-TEX Active Anti-Fatigue mats are designed to provide the ultimate standing surfaces combining prolonged comfort and effective body support. Reduces the strain on feet, legs knees & 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.