The ProsourceFit Abdominal Mat is a 2.5-inch high mat designed to engage and challenge your abs through a full range of motion during sit-ups and crunches. It fits under your lumbar spine with a natural curve that protects your back and allows your abdominal muscles to extend fully, increasing the effectiveness of crunches and sit-ups. The full range of motion means you ll see better results since you re not cutting the movements short. The compact design is perfect for all gyms, home gyms and even travel. It weighs just over one pound, so it s easy to carry with you to the gym or wherever you want to workout. The high-density foam provides firm support to withstand daily workouts. A soft Pu leather exterior is easy to clean with a damp cloth and durable for long-term use. The Ab Mat is versatile for exercises like handstand push-ups as well, providing a padded surface for your head. It s available in 3 colors and has a limited lifetime warranty.