The three main features that construct a glass cup is as stated below:
1. Shape – The shape of the cup must be easy to hold. The lip of the cup must be in a shape that is comfortable against the lips of the user. The form should be timeless.
2. Material – Must be durable and shock proof to be good for everyday use. The material should also make the contents of the glass look pleasant.
3. Capacity – The glass should serve a satisfying amount of content for the user.
Upon determining the ideal size of the cup, the best conclusion was to have three available sizes of short, tall, and ‘Grande’. These three sizes are derived from the sizes and fluid capacity of the cups available at the coffee shop. THE GLASS is manufactured by Hario Co., Ltd, the cup is made of heat-resistant glass, the user can make a cup of fresh iced tea by simply pouring hot tea into the ice-filled glass.