Dualoai Back Massagers Spine Board Arched Training Aid,Black Professional Multifunctional Equipment Lightweight Back Cracking Device

[Ergonomic Arch Design]Back Stretcher contours to the spine's curve, effectively stretches back muscles, and lower tension for enhanced comfort during workouts [Material] Back Massagers is made with Wood, Sponge, PVC Leather material that's soft, wear resistant, and simple to wipe down for long term use [Thick Cushioned Support]Spine Board features padded layers to absorb pressure, protect your back, and ensure comfortable workouts without strain [Versatile Training Aid]Back Cracking Device is ideal for crunches, core exercises, and back stretching-ideal for fitness routines or post-workout recovery at home or the gym [Lightweight and Portable] Back Stretcher with two different width(26cm/10.24inch, 21cm/8.27inch), you can choose the width according to your need, makes it easy to carry and store-use anywhere for yoga, exercises, or office breaks Specification: Length 40cm/15.75inch Package Includes: 1 Arched Back Stretcher Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.