Athlos Fitness Ab Mat and Exercise Mat with Tailbone Protecting Pad - Great Ab Sit Up Mat for a Full Range of Motion Ab Workout Fitness Mat GET FULL RANGE OF MOTION - Fitness mat designed for ab workouts . This premium, high-density ab trainer workout mat with tailbone protector provides stability , constant tension , and a full-range of motion which regular crunches do not provide to help you get that six pack abs and a flat stomach WORK YOUR ENTIRE CORE - The ab exercise mat isolates the abs and takes the hip flexors out of the equation so that you can do perfect situp reps . Our quality fitness equipment provides complete isolation of your abdominals during crunches , leg lifts and sit-ups . This workout equipment for abs will not hurt your lower back making this your most effective abs workout PREMIUM QUALITY WORKOUT EQUIPMENT - The heavy duty high density foam exercise mats is perfect for a home gym with safe and comfortable design contoured to your lower back to provide support. Compact, durable and foldable, it stores easily and you can take it wherever you go HIGH QUALITY AB MAT - Attached foam pad protects and stops abrasion to tailbone , prevents skin burn, and prevents the abdominal trainer from slipping during sit-ups making this the perfect exercise equipment floor mat for everyday use to get a toned and ripped tummy ONE YEAR WARRANTY - If for whatever reason you are not satisfied , we will refund or replace your abdominal trainer exercise equipment mat promptly