Commodity name: Outdoor sunshade cover (garden waterproof cover) Product size-cm: 280x30/81/46 265x40/70/50 265x30/50/40 265x40/100/70 Commodity color: black, gray, beige, brown Material composition: Waterproof 190 silver coated polyester taffeta (210D Oxford cloth coated silver waterproof fabric) Gross weight and net weight: 0.35/0.3kg Product This product is made of 190T polyester taffeta waterproof and silver-coated fabric, which is snow-proof and frost-proof in winter, sun-proof in summer, waterproof in rainy days, and dust-proof. It has many functions and can be used in all seasons. The weight is super light, about 0.3kg per piece. Small knowledge of fabrics: the difference between T and D, T represents the density of the yarn, the larger the T number, the denser the yarn. T--The T in the fabric, generally refers to polyester taffeta, is a nylon, imitation silk fabric, generally used as the outer and inner tents of tents, light and strong, such as the numbers in front of 170T, 190T, 210T It means the sum of the number of warp and weft yarns (density) in 1 inch (2.545CM), which is actually a density unit. You can also simply think that the larger the number before T, the heavier the fabric of the same area. D represents the thickness of the yarn, the larger the D number, the thicker the yarn. The larger the number before D, the heavier the cloth of the same area, such as 210D, 300D, 420D, 600D Oxford cloth.