"With the Weider 12.5 lb Adjustable Weight Dumbbells Pair, you can define and strengthen your muscles. This dumbbell weight set works just like a weight stack at the gym. Tone your muscles and burn the fat without having to leave your home. When changing these adjustable hand weights, simply move the selector pin to the desired weight range (the storage tray includes a color-coded weight guide). Each dumbbell weight varies from 2 to 12.5 lbs. (in 2.5-lb. increments). Provided with cushioned handles for comfort, these adjustable weight dumbbells are easy to use and produce amazing results. The set comes with a storage tray, so that these dumbbells don't roll over or tumble down. Instructions included. Customer assembly required. Comes with 90 day warranty. Features: Two 12.5 lb adjustable weights Adjustable weights (2.5 lbs - 12.5 lbs. ) Round plates Storage tray Materials: cast iron Dimensions: 13"""" L x 14"""" W x 7"""" H; Weight: 25 lbs"