Constructed with thick gauge aluminum.
Padded elbows for comfort, support, and stability.
Contoured design to isolate arms and shoulders while keeping the back and elbows locked in curling position.
Adjustable belt made of webbed nylon.
Thick, neoprene neck pad for added comfort.

Detail:- 

Webbed nylon belt and pads designed for bicep workouts
Isolates your arms and shoulders while you perform curls
Locks back and elbows in perfect curling position for efficiency
Nylon belt offers 1,000-pound capacity; oversized neoprene neck pad
Dense elbow pads offer comfort and stability
Manufacturers warranty
Customized Colors 
Customized logo