Specification:

 
 Features:
-  Small footprint, available everywhere, and easy to use.
- Natural rubber large suction cup, 12cm in diameter, durable.
- Thickened foam, soft and comfortable, no pain in the instep.
- Three levels of height adjustment to meet different needs.
 
 Package Includes:
1 x Sit-ups Assistant
 
 Notice:
1. Please allow 1-2cm error due to manual measurement.Please make sure you do not mind before you bid.
2. The colors may have different as the difference display,please understand.