6087 Tsuyoiko Glass Tumbler, from Ishizuka Glass

Product size: Maximum 2.5 inches (6.4 cm) (Base 2.5 inches (6.4 cm) x Height 3.7 inches (9 Product Weight: Approx. 5.3 oz (150 g) Full Capacity: Approx. 6.2 fl oz (185 ml) Strengthening Method: The mouth strengthening and mouth strengthening is a method of creating a strengthening layer (compression stress layer) on the surface of the glass and only reinforcing the mouth The glasses are shaped to make them easy to hold even for little hands and have reinforced mouth for added safety