Product Name Silicone Dumbbell Material silicone, cast iron Color as picture shows, and support customization Size/Weight 1kg/pcs, 2kg/pair (155*Φ42 mm) 1.5kg/pcs, 3kg/pair (185*Φ45 mm) 2kg/pcs, 4kg/pair (220*Φ48 mm) 2.5kg/pcs, 5kg/pair (242*Φ50 mm) Packing opp bag+box, support customization Shipping Express/Air: DHL/FedEx/UPS/TNT for small order. Sea shipping: By sea for large quantity. Customization service OEM/ODM,Highly Welcomed Customized