LIFE IS MOVEMENT HERE'S WHAT MAKES OUR STEEL DUMBBELL PAIRS AWESOME: 1.ADJUSTABLE STRAP DUMBBELLS The strap of this soft blue dumbbell expands up to 9.4 inches, making it feasible to use for almost all generations 2.SUPERIOR DURABILITY Our adjustable dumbbells are made of durable and heavy-duty material that prevents rust and makes them a perfect choice for your next workout challenge. 3.Convenient A range of dumbbells help maintain fitness without a gym, and the compact size stores easily. EXERCISE ANYTIME! Skip Gym Membership Convenient Fitness from the Comfort of Home Incorporate to your daily workout routine Easy to use for home workout Can be used while jogging, hike or trek Easy to carry on vacation.