[3 In 1 Multifunctional Dumbbell Set]: Our dumbbell set is all in one design, it can be combined into dumbbell,barbell and push up stand.Owning it is equivalent to owning 3 kinds of fitness equipment. [Quick and Easy Adjustments]: This adjustable dumbbell set allows for quick and easy weight changes, with a single dumbbell's adjustable weight range from 4lbs to 20lbs.The detachable design makes weight adjustments simple, ensuring you can switch between different exercises seamlessly, from light workouts to intense training sessions. [Non-slip Dumbbell Bar]:The surface of the dumbbell bar is made of ABS material and attached to a non-slip texture, which strengthens the friction of the hand and helps you control the dumbbell better during exercise [High-quality Material]: This 3 in 1 adjustable dumbbell set is made of high-quality material.The weight plate's interior is filled with a mixture of iron sand and cement, and the shell is blown molded from PE material, which no damage to your floor. [Safety Nuts]The sets contain four safety nuts.Nut thread thickening effectively keeps the dumbbell piece solid, to prevent movement shaking.Ensure your safety in use. [Free Weight Option]: The free weight dumbbell set is consist of 4.4lb*4, 3.3lb*4, 2.75lb*4 weight plate. So there is no doubt that it's a best choice from fitness enthusiasts to professionals, from women to men, from youth to elder. You can assemble is as much weight as you want, according to your needs for your tailor-made products only belong to you only. Color:Black Material:ABS Composition:100% Polyvinyl Chloride Activity:Gym & Fitness