AFS-TEX Active Anti-Fatigue mats are designed to provide the ultimate standing surfaces combining prolonged comfort & effective body support. Reduces the strain on feet, legs, knees & back joints that can be caused through prolonged standing. The mat provides a contoured, non-linear ergonomic surface specifically designed for use with standing & 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 & phthalate free. Ideal for office or home use. Mat Type: Anti-Fatigue Mat; Application: Carpeted Floors; Hard Floors; Width: 20"; Length: 30".