Umbrellas are usually made of stretchable cloth, other materials that can be used as a skeleton, and twine. Generally speaking, according to the number of folds, the umbrellas in the umbrella market are mainly divided into four categories: straight umbrellas, two-fold umbrellas, three-fold umbrellas, and five-fold umbrellas.

   Two-fold umbrellas are generally high-end parasols and foreign umbrellas. They generally have a stable skeleton design, and the fabrics are mostly embroidery, imported color tape, etc., with exquisite design, good workmanship, ease to carry, and good wind and sun protection effects.

    A three-fold umbrella is an umbrella whose ribs can be folded three times. It is more affordable to use a three-fold umbrella. Such umbrellas are widely distributed, and generally, umbrellas and parasols are designed in this way. Most of the rib materials are aluminum alloy bone, fiber bone, and resin bone, but the price of aluminum alloy bone, fiber bone, and resin bone is relatively high. In terms of texture and use, it is a relatively moderate design. Good quality, long service life, good sun and wind protection, moderate weight, and moderate length. The whole is also moderate, which is a more popular and practical design concept.