Gaiam Neoprene Dumbbell Hand Weight (Sold as Single Dumbbell in 3, 5, 8, 10, 12, 15 Pounds) DURABLE HAND WEIGHT: Durable cast-iron hand weight dumbbells are ideal for light weightlifting and muscle toning NON-SLIP GRIP: Neoprene shell provides a comfortable non-slip grip NEOPRENE COVERING: Prevents damage to floors and protects weights from cracking and chipping HEXAGONAL SHAPE: Keeps weight from rolling and stays in place when not in use SOLD AS SINGLES: Dumbbells are sold individually as singles