Brand-new upgrade process, recommended for getting started with safe fitness
 
 Fitness shaping lifting legs, exercising hips, legs, waist and hips, creating slender arms
 
 Suitable for home fitness/rehabilitation
 
 The outer layer is soft leather and the bottom is covered with gravity sand to make training safer
 
 Safe fitness is suitable for beginners
 
 Small size, easy storage
 
 For core training/fat burning purposes, it is more suitable than dumbbells
 
 The inner layer of the bottom contains gravity sand instead of cast iron, so there is no rust problem of cast iron