Features
* Thick 1inch foam to increase comfort
* Adjustable strap to get perfect fit, can be adjusted between 28~48cm
* 1.5 inch door anchor work for most of the doors
* Upgrade TPR door anchor to increase duribility
* Compact design- allow you to take it anywhere without taking too much space
* Can be used for sit ups, core training, squats, razor curls, and more