Restore Marbled Foam RollerTreat yourself to a massage just by rolling around on the floor. The two things you need? Our 18 marbled foam roller and gravity. The rollers smooth surface evenly massages and soothes muscles and fascia. And it comes with a 15 minute digital workout so you can do everything right. 18 long, 6 diameter foam roller Semi firm density, light muscle stimulation Ideal size for double arm double leg work Loosen tight muscles, improve mobility, relieve stress