Features: The kettle bell is a plastic ball with two U-shaped grips on both sides. It can be selected with weight water injection. It can control the different states of water in the sphere through different action modes to improve the movement consumption and more functional. The weight can be adjusted. According to the water injection volume adjustment, you can get your sports needs and save the environment. Made of PVC material, it will not rust for long-term use and ensure safety in use. The new kettle bell can be fill in water at any time, and it is easy to carry when it is carried out. Non-slip handles, the body is integrally formed, anti-drop and anti-fall, feels comfortable and grip tighter. Specifications: Color: Blue Material: PVC Size: 23x38cm Adjustable weight from 4-12 pounds Note: Please allow 1-3cm error due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item. What's in the box Package includes: 1x Kettlebell 1x Base