Features:
-With intelligent auxiliary brakes and a built-in brake system for smoother and more controlled steel rebound.
-With 5 anti-slip layers for noise reduction, shock absorption, and wear resistance.
-Abdominal roller has a double widen wheels design that increases the wheelbase and contact area with the ground, reducing lateral sway and providing stable and safe workouts.
-Curved handles and elbow pads provide extra support and balance. 
-Can help stretch and tone the abdominal, arm, chest, shoulder and back muscles, and get pack abdominal muscles to help strengthen your core.
-It features a smart timer design to track your progress and a phone holder to allow you to enjoy your favorite music or videos while exercising.

Specification:
Colour: black
Suitable body weight: maximum 100kg
Material: silicone+metal+sponge
Abdominal roller width: about 100mm
Applicable people: unisex
Purpose: abdominal training/chest expansion
Function: automatic rebound, intelligent braking

Package Included:
1x Abdominal roller 
1x Timer
1x User manual