Portable Self-Suction Sit Up Floor Bar Abdominal Core Trainer Curl Movement Auxiliary Device Adjustable Appliance Muscle…

Amazon.com Price: $39.99 (as of 11/08/2022 10:25 PST- Details)

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Material:Iron Pipe + Foam + Natural Rubber + PP + Spring
11.5*14.5cm(4.52″*5.7″) rubber thick suction cup, strong suction force, firm and safe