Rubber Kettlebell NameBlack rubber coated kettlebell MaterialCast iron+Rubber Coated FunctionBody ColorBlack PackPoly bag Kettlebells can be used for specific muscle groups or whole body exercises. It is very suitable for swing, deadlift, squat, jump, snatch and other sports or cross training. It is made of strong high-quality cast iron and strong steel chrome-plated handle coated with D hardness shore glue, which has excellent protection and durability. The wide open handle ensures a comfortable and safe grip with one or two hands. The flat bottom is convenient for easy and safe storage, and can be used in specific flat bottom kettlebell exercises. The size of the kettlebell set ranges from 5 pounds to 50 pounds, in increments of 5 pounds. General-Kettlebell can target specific muscle groups or whole body exercises. Structure-The use of solid high-quality cast iron and solid steel chrome-plated handle plated with D hardness scale coast rubber provides excellent protection and durability. Features-The wide open handle ensures a comfortable grip with one or both hands. The flat bottom is convenient for safe storage, and can be used for specific flat-bottomed kettlebell exercises, such as traitors and inverted stands. Functionality-great for swings, deadlifts, squats, getting up, grabbing and other sports or cross training exercises.Rubber Kettlebell website:http://www.nantongsporting.com/kettlebell/rubber-kettlebell/