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Simple, Strong, Quintessential Japanese Design

The HS Stackable Tumblers line has been one of the longtime best-selling TSG products for over 40 years.

Toughened with TSG-developed HS Technology, the HS Stackable Tumblers feature high safety and durability and are the de-facto industry standard for the foodservice and hospitality sector in Japan. HS Stackable Tumblers are perfect for a variety of foodservice solutions, their prolonged service life means they are particularly suitable for establishments with fast operation cycles.

Good Design Award, 1972

Hard Strong Stackable Tumblers

Good Design Award


Tempered Glass Innovation

HS glass has been synonymous with safety and durability for over 40 years.

HS Tempered Glass Toughening Technology

  • Safety - Tempered top portion of the glass that reduces the chance of abrupt shattering when breakage occurs
  • Durability - Superb tempered durability means long-term usage
  • Dishwasher Safe - Commercial-grade dishwaser safe
  • 45-Plus Years of Quality - Since 1967, Hard Strong has provided commercial-grade safety and durability

Hard Strong HS Platinum - Pure Tempered Glass

Hard Strong HS Platinum

Hard Strong's innovative, premium tempered glass Platinum line whose innovation provides an exceptionally thin, yet durable, glass  

Hard Strong HS Blue - Safety-Tempered Rim Glass

Hard Strong HS Blue

Hard Strong's original, award-winning stackable tumbler glassware that set the standard for tempered drinking glasses.