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 and back joints that can be caused through prolonged standing. The mat provides a contoured, non-linear ergonomic surface specifically designed for use with standing and height adjustable desks. Contains antimicrobial 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. Mat Type: Anti-Fatigue Mat; Application: Carpeted Floors; Hard Floors; Width: 20"; Length: 30".