Description
- Sit up trainer has a large sucker bottom made of natural rubber, it is very easy to be fixed on the smooth ground
- This sit-up helper is with a big suction ,strong enough for doing excise ,stable and safe.
- It has two leather belt for your feet ,giving a comfortable condition when you do the excise.
- It is light weight,only 300 gram,the bottom size is 11 cm.
- It is convenient to carry this sit up device anywhere,you could do the excise anytime when you want
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