... ,with handle bar. plastic plug, rotation seat Key Specification-Materials: iron, PP, PVC,foam-easy to assamble-Designed for efficient sit-ups, abdominal ... work and upper body workouts-suitable headset-easy storage Product Description:1.Material compostion:steel,plastic ... .5CMWEIGHT: 7.0kgs/7.5KGS RED AD trainer, TOTAL CORE, plastic plug