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All products are designed in-house with CAD software and subsequently 3D printed. The 3D printed models are then cast using the lost wax process. We utilize vacuum casting and a temperature-controlled furnace to achieve consistent, quality castings. Once cast, the product is finished by hand.

Yes, we offer custom castings in silver, gold, and bronze. We do not require a minimum quantity for custom castings. Please Contact Us to further discuss the details.

We only use the purest, USA-sourced casting grain for our prodcuts. 

Yes, all of our castings are made from USA-sourced, recycled casting grain to ensure sustainability and to minimize our impact on the environment.  

We commonly make prodcuts with the following metals:

- .925 Sterling Silver

- 14K Yellow Gold

- 14K Rose Gold

- Bronze

Upon request, we can also make products in:

- Argentium® .935 Silver

- Fine Silver

- 10K, 18K, or 22K Yellow Gold

- 14K or 18K White Gold

Domestic Shipments

- USPS First Class Mail (approximately 3-4 business days)

- USPS Priority Mail (approximately 2-3 business days)

International Shipments

- USPS First Class Mail International (approximately 7-21 business days)

- USPS Priority Mail International (approximately 6-10 business days)

An order shipping to a U.S. address is eligible for free shipping via USPS First Class Mail. 

You will be emailed a tracking number once your order has been shipped.

Shipment times vary by the postal service selected at the time of checkout.

Domestic Shipments

- USPS First Class Mail (approximately 3-4 business days)

- USPS Priority Mail (approximately 2-3 business days)

International Shipments

- USPS First Class Mail International (approximately 7-21 business days)

- USPS Priority Mail International (approximately 6-10 business days)

Yes, we offer two international shipping options.

- USPS First Class Mail International (approximately 7-21 business days)

- USPS Priority Mail International (approximately 6-10 business days)

International shipments may be subject to import taxes, customs duties, and/or fees imposed by the destination country. These charges will typically be due once the shipped goods arrive at the country of destination. As the buyer, you are responsible for paying any additional costs such as duties, taxes, and customs clearance fees. Mamba Metals does not have any responsibility on these additional charges that may apply. Mamba Metals is unable to predict which of these fees, if any, will be applied.

Yes, your shipment can be insured for an additional small fee. Simply select the desired shipping option with insurance at the time of checkout. 

Please note, refunds for lost or damaged packages are issued after the insurance claim process is complete.

Ready-to-ship products will ship within 1-2 business days.

Made-to-order products and custom orders will take longer (approximately 5-15 business days).