Material? Steel& rubber, 1)Rubber contains: 45%--A grade quality 2)Rubber contains: 30%--B grade quality Available sizes/weight? 1)3lb, 5lb, 8lb, 10lb, 12lb, 15lb, 20lb, 25lb, 30lb, 35lb, 40lb, 45lb, 50lb, 55lb, 60lb, 70lb, 75lb, 80lb, 85lb, 90lb, 95lb, 100lb, 105lb, 110lb, 115lb, 120lb, 2)1kg, 2kg, 3kg, 4kg, 5kg, 6kg, 7kg, 8kg, 9kg, 10kg, 12.5kg, 15kg, 17.5kg, 20kg, 22.5kg, 25kg, 27.5kg, 30kg, 32.5kg, 35kg, 37.5kg, 40kg, 42.5kg, 45kg, 47.5kg, 50kg Minimum Order Quantity? 50 pcs per size Payment Term? L/C or T/T Description? Chromed contoured steel handle & rubber dumbbell head Package/Packing? Bulk pack, about 1,000kgs/wooden case