product name: self suction sit up

material: Stainless Steel + Elastic
Size27 x 18cm

Suction Cup Diameter14cm
Features:- occupies small area and is easy to use.
- stronger suction, and durable.
- can be used to train the abdomen, slim the waist and reduce the abdominal fat
Note:
- Please clean the ground before you use.
- Please don't expose it to the scorching sunlight and place it in the high temperature environment in case it gets aged easily.
- You aren't recommended to use the product longer than 1 hour each time.
Usages:
- Press the switch of suction cup, and stabilize the abdominal trainer on the seamless and smooth floor.
- Adjust the height of foam to find the appropriate position you like.
- Hook the foam with two feet and start to exercise.