【Effects: Full-body training and rehabilitation with a single ball】 Core Strengthening: Throwing and twisting movements efficiently train abdominal and back muscles, improving posture. Explosive Power UP: Ideal for baseball and martial arts training, enhancing instantaneous power. Rehabilitation Support: Even those with lower back or shoulder pain can safely expand their range of motion with light weights. Improved Balance: Unstable movements naturally strengthen the core, preventing falls. 【Easy to handle because the contents are fixed】 Uniform internal structure design: Unlike inexpensive balls, there is no "wobble" or "spin," allowing for accurate throws in the intended direction. Gym test results: 99.9% of users gave high marks for "trajectory stability" in a 100-throw continuous test. 【Impact Resistance: "Durable enough to withstand being dropped on a concrete floor without breaking"】 One-piece molding technology: No seams, so there's no worry of bursting or deformation. Long lifespan: Can be used for over 3 years in group fitness classes at fitness clubs. 【Grip: "Non-slip textured design even when hands are wet with sweat"】 Special non-slip texture: 50% more friction than regular balls. Safety: Won't slip from your hands even during intense movements like Russian twists. 【Low-rebound cushion design for peace of mind in apartments】 ・Soundproofing: Makes a dull sound when hitting a wall, reducing noise to the floor below. ・Floor protection: Less likely to scratch hard flooring. ・Gentle on the body: Disperses impact even if accidentally hit against the body. - Weight: 2 KG - Color: Dark Blue - Material: Rubber-like surface with textured pattern Thank you for viewing.