Toyo Sasaki USURAI Tumbler Set - 560ml - 2 Pieces
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Toyo Sasaki USURAI Tumbler Set - 560ml - 2 Pieces
The Toyo Sasaki USURAI Tumbler embodies the quiet refinement of Japanese glassmaking. Named after usurai — the thin ice that forms on water in early winter — the tumbler is blown remarkably thin, giving drinks a clean, delicate feel on the lips while remaining light and comfortable in the hand. The design has been recognised with Japan's Good Design Award.
Despite its thinness, the glass is remarkably strong — the entire surface is ion-strengthened using Toyo Sasaki's HS (Hard Strong) treatment, making it far more resistant to chipping and breakage than conventional glass. The generous 560ml capacity suits iced tea, highballs, beer, and soft drinks alike. Supplied as a set of two in a dedicated white gift box.
What's Included
- 2 x Toyo Sasaki USURAI Tumblers - 560ml
Key Features
- Ultra-Thin Rim: The thin-walled design delivers a clean, delicate mouthfeel and a lightweight hold.
- HS Ion-Strengthened Glass: The entire surface is ion-strengthened for superior resistance to chipping and breakage — thin, but strong.
- Good Design Award Winner: Recognised with Japan's prestigious Good Design Award.
- Generous 560ml Capacity: Well suited to iced tea, highballs, beer, and long drinks over ice.
- Gift Box Presentation: Supplied as a set of two in a dedicated white gift box — ideal for gifting.
- Made in Japan: Crafted by Toyo Sasaki, one of Japan's most respected glassmakers.
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Care Instructions
- Hand washing with a soft sponge is recommended to preserve the thin rim.
- Not suitable for use in a microwave, oven, or dishwasher drying cycle with high heat.
- Avoid sudden temperature changes — do not pour boiling liquids into a cold glass.
- Avoid abrasive scrubbers or harsh detergents.
About Toyo Sasaki
Toyo Sasaki Glass is one of Japan's most respected glassware manufacturers, formed from the merger of two historic glassmakers with roots stretching back to 1878. Renowned for combining traditional Japanese glassmaking artistry with advanced manufacturing technology — including their proprietary HS ion-strengthening treatment — Toyo Sasaki produces glassware that balances delicacy, durability, and everyday practicality.
Specifications
| Brand | Toyo Sasaki |
| Series | USURAI |
| Colour | Clear |
| Dimensions | Approx. 7.5cm (D) x 14.3cm (H) each |
| Capacity | Approx. 560ml each |
| Material | Ion-Strengthened Glass (HS — Hard Strong) |
| Packaging | Product Box |
| Dishwasher Safe | No — hand wash recommended |
| Country of Origin | Made in Japan |
User Guide, Recipes, and Review
- User Guide: Instructions and care tips.
- Recipes: Creative meal ideas.
- Product Review: See what makes our product stand out.
- Customer Reviews: 100% genuine feedback.

