Urban Fitness Hex Dumbbells - Neoprene Covered (pair) (2 X 10Kg - Silver) Neoprene-covered cast iron dumbbells. Specifications: Dimensions: H:14.0 x W:32.0 x D:28.5 cm Model Number: UFW038. Quickly sculpt yourself at home with this set of hexagonal neoprene dumbbells. The neoprene dumbbells are of premium quality and will aid in a variety of workouts to improve your health, strength, and fitness. Set of 2 x dumbbells. Neoprene coating, designed to last and non-slip. Easy to clean. Shape up fast at home with this Neoprene Dumbbell Hex Set. Neoprene dumbbells are premium quality, and will aid a variety of workouts to improve your health, strength and fitness.