We use solid brass as the material for the hangbag and choose Swaroski Crystal pasting on the bag.Fashion design and high quality item. The gold color is 24K 3 mirocn thick true gold.You will have the below colors choice for the surface: 1.G---Gold + E-coating 2.T----Titanium + E-coating 3. N---Nickel + E-coating 4.NG----Nickel with Gold + E-coating 5.TG----Titanium with Gold + E-coating 6.SNG-----Sand blasting Nickel wtih Gold + E-coating 7. SGG ----- Sand blasting Gold with Gold + E-coating 8.SNN -----Sand blasting Nickel with Nickel + E-coating We guarantee the surface color will not tide within 4 years under the right way use. Meas.:18.5X10.5X6.3CM