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Product Information & Care


Yomo Studio uses a high-performance, high-density, and specially created concrete formula, which is resistant to weathering, chipping and cracking.

Yomo Studio makes all products by hand and, therefore, each product will be slightly different in terms of color and texture.

Over time, concrete products will undergo efflorescence, which creates a white dust like residue on concrete surfaces. This natural occurrence can be mitigated by frequent use. In addition, concrete items may change their color over time as they interact with moisture and air.

Our rings contain tungsten steel components, therefore the metal does not bend out of shape due to its hardness. In case of an accident, the tungsten ring will not become deformed, therefore it may cause injury to your finger. It is hypoallergenic, so people with allergies to gold or other metal jewelry can wear tungsten jewelry.

General Handling Instruction

In general, Yomo Studio products do not require regular maintenance.

You are encouraged to avoid storing our products in humid or wet environments since water will penetrate pores of the concrete and weaken the structural integrity of our products. Therefore, items created by Yomo Studio should not be brought into the shower or worn during water activities.

Although we use highly reinforced concrete, chipping is possible when the product makes contact with certain hard surfaces. To avoid chipping, you are urged to handle our products with care and place them on soft surfaces.