Arm Blaster includes the following features: 

• Contoured design to isolate arms and shoulders while keeping the back and elbows locked in curling position
• Adjustable belt fits for your body easily
• Neck pad for added comfort

Material:

• Thick aluminum alloy body with EVA pad
• Nylon strap
• Neoprene neck pad

Size closed:

• Size of 58 cm x 9 cm
• Thickness of 5 mm