About this item Shipped in 3 packages: Shipped in 3 packages, the first package includes 5lb, 10lb, 15lb and 20lb kettlebells, the second package includes 25lb kettlebells, and the third package includes 35lb kettlebells. You may receive them at different times. Plastic hard shell protects your floor: Coated in durable HDPE plastic and filled with cement, this kettle bells set wonҴ do too much damage to the floor when dropped compared with the iron models. Wear-proof material: Wear-proof material, HDPE, is adopted, making the kettle bell uneasy to wear out. Textured grips: The surface of the handle is designed into a textured type that can add friction between the grips and your hands especially when you sweat, bringing you with cozy and reassuring user experience. Stamped code: The stamped code is clearly labeled on the body to help you identify different weights easily if you have several pairs of kettle bells various in weight.