[CUSTOMIZABLE HEIGHTS] Adjustable spine board with heights ranging from 2.1" to 4.7", making it suitable for different body types and stretching levels.
[NON-SLIP FINISH] Premium PP and TPR materials with a skin-friendly finish ensure safe and stable use during stretching exercises.
[QUICK HEIGHT ADJUSTMENT] Equipped with an air pump and release valve for effortless height customization in under a minute.
[SIMPLE USAGE] No assembly required; just lay down to improve flexibility and aid in back cracking without any hassle.
[ON-THE-GO] Lightweight and portable design allows for easy use at home, office, or gym, offering flexibility in various exercise settings.
