Return Policy

To be eligible for a return, your items must be in their original condition and in its original package and must have been purchased from our website. The return must be initiated within 30 days of receipt and will receive a 20% restocking fee. To start your return please email us at and include your Order Number and the reason for the return.  Please title your email "Return Authorization Needed."

If your return is not in original condition, we do reserve the right to refuse the return.

We will not refund shipping costs on returns.

Refunds (if applicable)

Once your return is received and inspected, we will send you an email to notify you of the approval or rejection of your return. If your return is approved, a credit will be applied to your original form of payment. Please allow 3-5 days for the refund to be reflected in your account.

Replacement Policy

To be eligible for a replacement, you must send an email with photos of the damage. The replacement must be initiated within 30 days of receipt. To start your replacement please email us at and include your Order Number and images of the damage. Please title your email "Replacement Needed."

Once we receive your request for replacement, we will send you an email to notify you to let you know the request is received.  If the request is approved, we will supply you with the order number in our system for reference.

If we are out of inventory on an item that is eligible for replacement we will refund your order in full.


For our members who place and receive larger bulk orders, Sigma would ask that you review your order as soon as possible after it’s been received to check for any damaged or missing pieces. If multiple items need to be replaced or refunded, we ask that those requests be made at the same time, within the same email. This consolidation of requests will help us ensure your order is completed as quickly and efficiently as possible.