3 in 1 Multifunctional Dumbbell SetWith our multifunctional adjustable dumbbell set, you can get a pair of dumbbells also barbells (light barbell and heavy barbell), and push-up stands, which help you do many exercises including bench presses, squats, and push-ups. Whether you're pro or beginner, 3-in-1 weight set helps you achieve your workout goals of building muscle, losing weight, and getting in shape. Durable MaterialsEnvironmentally dumbbell pieces exterior is made of high-quality PE materials, and the inside is mixed with iron, mud, and sand, which effectively prevents damage to the floor and rust, safe and secure, soundproof. The dumbbell sets contain four safety nuts, nut thread thickening effectively keeps the dumbbell piece solid, to prevent movement shaking, and ensure your safety in use.