Toyo Sasaki has specialized in the art and science of glassmaking since Japan’s Meiji era. The Tokyo-based company’s signature simplicity and technical refinement come together in this tapered, 10-ounce tumbler. Ideal for water, juice, cocktails or sake, the delicate-looking glass is tempered for superb durability, making it a tabletop staple in some of Japan’s finest restaurants for more than 50 years.