Color Dumbbells Set of 2 x 4kg, Blue, Total 8kg, Exercise, Coated Dumbbells 【Rubber Material That Won't Scratch the Floor】 The dumbbells are coated with rubber material, so they are designed to prevent scratches even when placed directly on the floor. 【Hexagonal Design That Prevents Rolling】 The hexagonal shape prevents the dumbbells from rolling when placed on the floor! 【Weight】 Color Dumbbells 4kg x 2 sets (Total 8kg) 【Color】 Blue 【Materials】 Steel, Chloroprene Rubber