Ab Exercise Mat : Best Ab Mat, Exercise/Workout Mat for Strong & Defined Six Pack & Core Abdominal Muscles by Run Baby Sport EASILY TARGET ABDOMINAL MUSCLES : Effectively target, and isolate core abdominal muscles to build a taut, firm stomach, whether toning up for the beach or getting ready for Christmas, FOR A SAFE EFFECTIVE AB CRUNCH : designed for maximum abdominal muscle exertion, the Run Baby Sport Ab Training Mat, will challenge and tone your abs fast, BODY CONTOURED PVA AB MAT : it works so well at toning your abs, because it fits your body shape, and places the the stress where its supposed to be, on your ab muscles, STRENUOUSLY TESTED WORKOUT EQUIPMENT : Run Baby Sport work hard to create solid, durable abdominal exercise equipment to help build defined abs faster, BUILT TO LAST : and backed by the a reliable Run Baby Sports Mats Lifetime Warranty