AFS-TEX® Active Standing Platform with Foot Roller Balls - Advanced ergonomic standing surface. 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 Active Standing Platform combines an anti-fatigue standing surface with massage and movement stimulating features. Control of the massage-inducing spheres, in the recessed channel, stimulates feet, lower legs and joints. Anti-microbial. Anti-slip base for stability. Non-toxic and phthalate free. Ideal for office or home use.