Nothing hurts more than working out on a hard surface. The 2' x 4' x 1.25" Vinyl Mats are perfect for crunches, sit-ups, and many more exercises. They are designed to help pad the floor and help absorb light impacts. The 2' x 4' Vinyl Mat's are also designed to not restrict your movements, yet still provide you safety while exercising. The surface is a vinyl wrap and is easy to clean. If you're searching for or find yourself wanting extra padding on your workout surface, then you know the importance of having high-quality mats in the areas you practice in most.