Material:NylonColour:BlackThe ab hanging straps help you tone, strengthen, and shred your core abdominal muscles to create a leaner, stronger, sexier you with hanging leg raises, leg lifts, vertical crunches, and more.Create an intense workout almost anywhere with ab arm straps compatible with standard door pull up bars, chin up bars, or multi gym systems, so you can stay consistent with workouts.Package Included:2 pcs Abdominal muscle training belt