Description
Specifications: 15x10x5.5 cm Main Material: Cast Iron, PVC Liquid Product Features: Cast iron technology makes the dumbbells comfortable to grip; suitable for indoor or outdoor use. Can be used for yoga, aerobics, and other sports. How to Use: Dumbbell fitness training can prevent flabby arm muscles and beautify arm lines. Stand with your feet shoulder-width apart, maintain balance with shoulders back and stomach in; keep your upper arm and forearm at a 90-degree angle with palms facing forward; then slowly push up, preferably at a constant speed while exhaling. Warning: Stop using the product immediately if you feel pain or dizziness. Please choose dumbbells of appropriate weight and correct methods according to your body
