Package Includes: you will get 2 pieces of exercise floor mats for home gym, compatible with Model D Concept 2 rowing machine, different in sizes, ideal to be put under the machine Standard Size: one of the mat is about 28.3 x 8.7 x 0.12 inch, and the other is about 17 x 6 x 0.12 inch, the gym floor mats are suitable enough to fit the front and the back support points of the rowing machine Reliable Material: made of high density PVC foam, the gym equipment mat is smooth and sturdy, nonslip and waterproof, easy to clean, providing a layer between the machine and the floor, protecting your fitness equipment and floor surface from scratching Anti Slip Design: the foam gym mat can be placed on the floor steadily, so it will not slip when you exercise, allowing you to have a nice and safe exercising experience; The mat is smooth, it will not leave any residue on the floor after use Easy to Store: the fitness mats for home gym equipment can be rolled up when not in use, so they will not take up much space, you can easily put them in corners and other narrow space, convenient enough