Wonder Core Smart Instruction Manual Workout DVD Stored in a closet for a long time. The black fabric on the back has deteriorated and is torn due to aging, and there is a dent on the back of the cushion sponge, but there is no problem with use. Please consider this item if you understand that it is a used item. It will be lightly cleaned and shipped in a used cardboard box. Instant purchase OK Type...Abdominal muscle machine