WELL MADE CONSTRUCTION TO MAXIMIZE YOUR WORKOUTS • AmazonUs/YES4All Neoprene Dumbbells are made of cast iron and wrapped in a thick coat of durable neoprene for a comfortable, non-slip grip that is gentle on hands and doesn't require gloves • The special-shaped hexagonal head design helps protect you and the floor in case of drops and prevent them from rolling on the floor when put away • Stylishly vibrant, color-coded weights and clear numbers LBS on make it easy and quick to pick up the right dumbbells for daily routine workouts • Great for indoor and outdoor use SELECT THE APPROPRIATE WEIGHTS • AmazonUs/YES4All Neoprene Dumbbells come in different weights range from 2 lbs to 20 lbs for you to vary your daily routine workout • Heavy dumbbells are perfect for building massive muscle in arms and shoulders, stability, and core strength • Lighter dumbbells are nice additions to add resistance to squats, lunges, aerobic workouts, and many more BENEFITS OF FULL-BODY WORKOUTS • Increase in muscle size • Burn fat and tone abs • Target your quads, glutes, and hamstrings • Strengthen your shoulders and arms PRODUCT SPECIFICATIONS • Available: 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 20 lbs • Sold in pair or set • Cast iron core with Neoprene finish will not crack, rust, or fade • Special-shaped design prevents rolling • Color-coded dumbbells for easy identification 30-DAY RETURN and FULL 1-YEAR LIMITED WARRANTY