Support Trainer: This LED display trainer, monitor real time, and control the exercise time yourself, you arrange your exercise time reasonably. Durable & Reliability: Made of ABS tube material, comfortable sponge grip, comfortable training, which can provide more stable support and comfort for your arms. Adjustable Angle: The core trainer is adjustable to meet your needs, the smart timing can train time. You use to do abdominal muscles, back, and other exercises at any time. Balance Training: This abdominal muscle training device increase its stability and comfort, to exercise muscles. Multifunctional: Perfect for support training. Specification: Material: ABS, Sponge Size Chart: approx. 52cmx32cmx15cm/20.47inchx12.60inchx5.91inch Package Includes: 1 Trainer