Please also see our plating page.

We also offer other plating methods such as ferric gold plating, which is popular among people with allergies, rhodium plating, which has a cool, slightly dark silver color, and cute pink gold plating. Please take a look.

Important Notice

• Resin coating does not completely prevent metal allergies. Allergies may occur if the instrument comes into contact with an uncoated instrument. It is not effective in treating allergies.

• ReST-M2 is a coating intended for people with metal allergies, and people with allergies to resins may experience symptoms.

• Although it is more abrasion resistant than the paint normally used on musical instruments , the coating may come off and expose the bare metal if it is polished with an abrasive or intentionally rubbed against a hard metal. In that case, the anti-allergic properties will be lost .

• Please use water and neutral detergent for cleaning. Avoid using organic solvents, alcohol, acidic or alkaline detergents.

• Please avoid scrubbing the mouthpiece with a hard brush, etc. This may cause the coating to peel off. Please handle with care using a cotton swab or soft tissue paper.

• We have created samples of mouthpieces that are generally available in the market , and have confirmed that they do not peel off in a short period of time under normal use, but please note that the above test results may not necessarily apply depending on the material and condition. (Samples are created for trumpet, trombone, French horn, and tuba mouthpieces.)

• We cannot offer refunds if the coating does not adhere due to a defect, or if the coating is defective due to an accident or defect during processing or peeling. We also cannot offer refunds if the item we have received is damaged or becomes unusable. Regardless of the reason, we will charge the actual cost for peeling and reprocessing.

• During processing, a jig is attached to the backbore to hold the part in place. The paint will not stick to the parts that are in contact with the jig. Also, there is a possibility that roughness may occur. Thank you for your understanding.

• Oil and impurities in the solution may cause defects such as repelling and bumps. After processing, UPMAKE inspects the product, and if there are no defects on the rim or the part that touches the lip inside the cup and it is deemed that there is no problem with use, it will be returned as a good product. Thank you for your understanding.

• If an item is found to be defective during inspection, it will be reprocessed before being returned. In that case, it may take additional days for delivery.

• Although UPMAKE tests the resins used, UPMAKE shall not be held responsible for any metal allergies or other abnormalities that may occur during use. (Test method: Thirty subjects who develop allergic symptoms when using commercially available brass mouthpieces with a silver-plated finish were asked to use a prototype with ReST-M2 processing for one month. No one experienced redness, peeling, or itching during the test period .)

• All shipping charges will be borne by the customer unless they are not covered by UPMAKE's services.

• Processing will be done after payment is confirmed. Please note that if payment cannot be confirmed after shipping, we will not be able to deliver the processed product.

• Please make sure to confirm and decide on the masking parts between the customer and the person in charge before processing. We cannot offer refunds if the processed product is different from what you expected after delivery.

• There may be small scratches that occur during processing.

• Please be sure to use a traceable and insured service (such as Takkyubin Compact). UPMAKE cannot provide compensation for any accidents during transportation under any circumstances. Please let us know the tracking number after shipping.

• By making a request, you are deemed to have understood and agreed to all of the above precautions .