Training equipment to tighten arms and abs with a simple 30-second exercise per day. - Model Name: BURNMACHINE 2 BLACK LABEL - Weight: 2.8-3.7kg - Exercise Type: Arm workout - Usage Time: 30 seconds per day - Effects: Tightens arms and abs - Target: Full body workout Burn Machine 2 Used only a few times, so there are no noticeable stains.