1. Material: Silicone+Iron core, Made of the high-quality iron wrapped in soft silicone; Easy to clean, sweat proof, Odor proof.
2. Weight: 0.5kg / 1kg/ 1.5kg / 2 kg*2; Color: Pink/Black/Blue/Yellow/Customized
3. WORKOUT & FITNESS: Hands free way to tone arms resistance, build muscle, burn fat. For yoga, running, aerobics, pilates, walking, traveling, home workouts, core training etc.
4. ERGONOMIC DESIGN: Using D shape design, let us better control, a better choice of sports. Burn calories in the time when you walking/working and any Daily activities. Make sport easier for you.