Kou Yu spinning vinylon is generally called "PG cloth", which is a kind of fabric blended or interwoven with cotton yarn. High-density anti-collision cloth is a special cloth for high-grade umbrellas. PG fabric is divided into 170T, 190T, 2 10T(T is the fine count of umbrella fabric). The higher the t number, the better the material and shading effect.

Black tape is actually a kind of rubber surface, which is usually attached to the inner layer of umbrella surface and made of fine polyester.