Feature:1. Made of hard plastics and professionally processed after production, it is safe, practical and odorless. It will not damage the due to knocking.2. In this adjustable dumbbell suit, you can get 4 x 2.75 lb. dumbbell slice, 4 x 3.3 lb. dumbbell slice, and 4 x 4.4 lb. dumbbell slice, 2 dumbbell bars and 1 barbell bar.3. Great for home training. You can easily use it in any place and it will be easy to storage, and you can also move it to any place. This set won't rolling so you don't need to worry.4. You can easily adjust the weight simply by rotating the lock. By adding or removing the dumbbell tablet, you can change the weight you need from 1lbs to 44 lbs.5. Also, our barbell bar have non-slip safe design, it can help you hold the pole tightly to prevent it from slipping out of your hands and hurting you.Specification:Item Type: Dumbbell SetMaterial: PEProduct Color: Black and YellowTotal Length: Approx. 42 cm/16.5 inMaximum Dumbbell Diameter: Approx. 19 cm/7.5 inProduct Weight: Approx. 21550g/47.5lbHow to Use:1. Open the package and check if the parts are complete. 2. Choose the dumbbell combination according to the desired weight. 3. Install dumbbells. Package List:12 x Dumbbell Slice 2 x Dumbbell Pole 1 x Connecting Rod4 x Nut