Rubber Encased Hex Dumbbells by FlexWave 20 lbs Pair Black Fitness Weights. Neoprene Coated Hex Dumbbells Set of 2 Weights 10 lb Anti-Slip Ergonomic Design. Rubber coated dumbbells are way easier on your floor with its impact-absorbing properties, They can also resist cracking and chipping when set down heavily or dropped accidentally.
