Store Hours: 1 PM - 6 PM (Tue - Sat) / 12 PM - 5 PM (Sun) / Closed Mondays. Online orders require 3 to 5 business days to ship out.

HS Platinum Glassware - tortoise general store
HS Platinum Glassware - tortoise general store
HS Platinum Glassware - tortoise general store

Hard Strong Platinum Glassware - 10.5oz & 13oz

Regular price $13 Unit price  per 

Iconic Japanese drinking glasses made by HS or "Hardstrong" technology, a thermal and ionic treatment that strengthens the glass for superior durability despite its delicate appearance. These glasses are great for all kinds of cold beverages and while they are sold individually, in groups you can enjoy their trademark stacking design.  Keep them stacked on your table so it's easy for people to grab their drinks, or have them stacked in your cupboards for super space saving convenience.  


Established in 1888, Toyo-Sasaki is Japan's top glassware manufacturers by volume alone.  Having played an important part in the long history of Japanese glass-making. Toyo Sasaki continues to create glass products that showcase the natural beauty of their material while pushing the boundaries of production. HS technology was developed by Toyo-Sasaki Glass Co, and the durability of this line specifically make them ubiquitous at bars, izakyas, restaurants and cafeterias across Japan.  

HS Platinum  10.5oz/315ml
Dimensions: 3'' H x 3.25'' D

HS Platinum  13oz/390ml
Dimensions: 3.75'' H x 3'' D


Care Instructions:
Dishwasher safe
Not microwave safe

Return Policy/Shipping Policy: 
Returns must be made within 2 weeks in original, unused condition with all packaging for either 1. Store credit for the full amount or 2. Refund - minus a 20% restocking fee.  Tortoise does not cover the cost of return shipping or the cost of re-shipping an exchange, and the cost of shipping for returns and exchanges is the responsibility of the customer. 

HS Platinum Glassware - tortoise general store