HANDBODE Crumb Bumper Plates Brand : HANDBODE Pounds or Kilograms : Pounds Weight Increments : 10/15/20/25/35/45 Plate Diameter : 17.7"/450mm Center Hole Diameter : 2"/50mm Inserts Material : Stainless Steel Plate Material : Crumb Rubber Durometer Rating : 72 ~ 75 Weight Tolerance : 2% Bouncier rubber to protect floor or bar Color-coded plate for quick identification Traditional steel plates are noisy and cannot be dropped during intense workouts or Olympic weightlifting sessions. You can drop bumper plates on the floor without damaging the plate, barbell, or floor, because they are constructed with rubber around a central metal hub. Crumb rubber's hardness rating is less than virgin rubber, it is bouncier and lands softer. The Plates are coor-coded for quick identification and pick up. Crumb bumper plates are made from recycled rubber, making them an environmentally conscious choice. By using recycled materials, these plates help reduce waste and give new life to old rubber tires. If you have a home gym and want to avoid disturbing your family or neighbors, crumb bumper plates are a great choice. Their shock-absorbing properties and reduced noise levels make them ideal for a residential setting, Their ability to withstand drops and provide a bit of bounce is perfect for those explosive movements and dynamic lifts that are the heart and soul of your workout of the day.