【Free Mat】Yunos Timing ABS Exercise Equipment Automatically Return Abdominal Wheel Roller with Elbow Support Rebound Exercise Equipment at Home

2.Constructed with durable ABS, metal, and sponge materials, with elbow support and curved handles to avoid injury and protect your arms, neck, and spine.

3.Practical dual wheel design: The dual wheels move smoothly to prevent the wheels from slipping. Unlike other dual wheel AB rollers, we have added thickened rubber tracks to the wheels to reduce friction on the floor, which is quieter and does not harm the floor

4.Exercise the whole body: widened double wheels (11 centimeters), triangular structure, stable, safe, and ergonomic. The dual spring strong rebound design enhances the strength and clarity of your abdominal muscles, back, arms, chest, and shoulder muscles.