Umbrella is a tool for shading or sheltering from rain and snow. It is generally made of oil paper, oil cloth or plastic cloth. The English Umbrella of umbrella comes from the Latin Umbra, which means shade and shadow.
The classification of umbrella size are as follows:
Children’s Umbrellas: Umbrellas under 19 feet are generally called children’s umbrellas.
The 19-inch to 23-inch umbrella is a general-purpose umbrella, which is suitable for adults.
20 inches: The radius is 51cm, and the diameter under the umbrella surface is 90cm.
21 inches: The radius is 53.5cm, and the diameter under the umbrella is 95cm.
21.5 inches: The radius is 55cm, and the diameter under the umbrella is 98cm.
22 inches: The radius is 56cm, and the diameter under the umbrella surface is 100cm.
23 inches: The radius is 58.5cm, and the diameter under the umbrella surface is 105cm.
