Description
The Yellowday Traditional Diatomite Coaster 2P Set is a round Korean tea coaster set made from high-purity natural diatomite. Designed for everyday tableware use, it quickly absorbs condensation and drink spills to help keep your table clean and hygienic. Each set includes two handmade coasters featuring traditional artwork, ideal for Korean tea, coffee, or cold beverages, and thoughtfully boxed for gifting.
Key Features
- Made from eco-friendly natural diatomite that helps absorb moisture and odors.
- Uses 100% California diatomite as the main raw material, with ultra-micro pores that provide excellent water absorption.
- High porosity structure allows fast drying, supporting hygienic use on dining tables and desks.
- Absorbs approximately 10 ml of water in about 30–50 seconds, helping prevent water rings and stains.
- Handmade Yellow Day coasters crafted from a single natural material for quality and consistency.
- Dried for 9 hours at 70°C to increase internal air pockets and enhance moisture absorption.
- Natural material and alkaline character help inhibit bacterial growth on the coaster surface.
- Round design with a diameter of 10.5 cm, suitable for most tea cups, mugs, and glasses.
- Two-piece set packaged in a dedicated box with individual labels per design, suitable for gifting.
- Triple-protection packaging used to help protect the impact‑sensitive diatomite during delivery.
- Can be washed and naturally dried in sunlight for semi-permanent reuse.
Specifications
| Product Name | Yellowday Traditional Diatomite Coaster 2P Set |
|---|---|
| Brand | Yellow Day |
| Product Type | Korean tea coaster / cup coaster |
| Material | Diatomite |
| Raw Material Origin | 100% California diatomite (USA) |
| Quantity | 2-piece set |
| Shape / Size | Round, 10.5 cm diameter |
| Manufacturing Method | Handmade |
| Drying Process | Dried at 70°C for 9 hours |
| Manufacturer | Rainbow Rollercoaster (self-produced) |
| Country of Origin | Korea |
Cautions
- Diatomite is vulnerable to impact; avoid dropping or striking the coasters.
- When foreign substances contaminate the surface, rinse with water and allow to dry naturally in sunlight.
- Do not use detergents or bleach when cleaning the coasters.
- Do not scrub the surface or soak the coasters in water for a long time.
- Because the coasters are handmade from natural materials, small pinholes or slight color spots may be present; these are natural production characteristics, not defects.







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