GOLRANG is the largest brand in the detergent industry in Iran, which ordered the design of four containers for Handwashing liquid in weights of 500, 1000, 2500, 3750 grams. The main design challenges were:
1- Showing the soft feeling of using handwashing liquid
2- Designing based on the opening diameter available in the market to be economical and to ease production.
3- Maintaining the uniform shape in all weights of 500, 1000, 2500 and 3750 grams according to the difference in weight, the different diameter of the bottle opening, the production method, and the different materials used for each weight.