FEIERDUN Adjustable Dumbbells, 20/30/40/50/60/70/90lbs Free Weight Set with Connector, 4 in1 Dumbbells Set Used as Barbell, Kettlebells, Push up Stand, Fitness Exercises for Home Gym Suitable Men/Women

【4 in 1 Multifunctional Dumbbell Set】With it, you can get a pair of dumbbells also barbells, kettlebells, and push-up stands, which help you do many exercises including bench presses, squats, etc.
【Durable Materials】Environmentally dumbbell pieces exterior is made of high-quality PE materials, and the inside is mixed with iron, mud, and sand, which effectively prevents floor abrasion.
【20MM Thickened Foam】The connecting rod is made of a 5mm thick steel tube + 20mm thick high-quality foam. Curved design fits the neck, which is non-slip and sweat-absorbing, soft and breathable, bringing a more comfortable exercise experience to you.