Floortex AFS TEX 'Sit to Stand' 38" x 62" Rectangular Chair Mat for CarShineFactory Kneeling Mat Spoliraj.si Motorsport Mechanic Large Kneeing Lying Mat 980 x 390mm Portable Kneeling Mats are Anti Fatigue Mats by American Floor Mats. Autofiber Kneeling Standing Mat (16"x28") Pain in the knees and feet? Detailing is a tough job. Make it a little simpler and more enjoyable! Lay out this soft, adhering floor mat where you work, whether kneeling or standing to help keep pressure on. Size: 16 in. x 28 in.