Progress in the gym is made by challenging yourself a little more each day. The Nike Change Plates are a secure, quiet, and durable way to increase weight in small increments. These rubber coated plates are color coded by weight, making them easy to identify. This change plates set includes weights of 1.25, 2.5, 5, and 10 LB. In the game of weight training... a little goes a long way! JUST DO IT.