Depending on your needs, you can get Sets, Rubber Dumbells and Iron. Most Dumbells used today are in Silver and Black. Up to 56% discounts on Dumbells can be found only on iprice. The two best-selling Dumbells currently are the 6KG Vinyl Dumbbell Set (3 Pairs) (SG), 10KG Iron Cast Dumbbell Set (SG) and 20Kg 2 in 1 Convertible Barbell Dumbbell Set / 20Kg Weights Bar bell / Dumb bell. The most popular Dumbells are from HomeBuddy, Kettler and SPORTSCO. Dumbells from these brands usually cost about S$ 3.00 to S$ 290.00.