It is a product of blown glass which joined a new lineup. In Oshita-machi, Yamagata Prefecture, Okuda studies of bamboo glass, which is being produced by blown glass technique, is producing it. Place the glass material attached to the tip of the iron rod in the kiln, heat it at high temperature, rotate and dissolve to determine the size and shape. It changes with the speed of rotation and the time to heat by moment, but its judgment is the world of craftsmen by sense of eyes and hands. It is made one by one. Since the glass material is solidified when the kiln's fire is dropped, it seems that the fire of the kiln is always on without stopping except in the summer period where the room becomes extremely hot and the production is stopped. Besides clear with no color, the color has blue and green. Also, there are two types of glass skin, plain type and type with concavities and convexities of steps called mall. Every day, simple glasses to use. The form of a soft curve is pleasant to the hands which it also has a drinking mouth. It is clear and transparent, but it is attractive with a different sheer fabric and texture than mass-produced glass. Thickness is not too thin, moderate thickness, easy to drink, it is a nice place to handle easily as everyday use. Even in the clear, there is a beautiful fluctuation when light hits by entering the mall. [Size] Edge diameter 7.8 cm × height 9 cm ※ There are individual differences of about several mm in diameter and height. For those who purchase more than one, we will choose something that is as close in size as possible, but please be forewarned. 【Material】 Glass 【Handling Precautions】 · Because it is not heat-resistant glass, tempered glass, please do not put hot things. · Please avoid using dishwashers and microwave ovens.