Product name: Garden bathtub cover SIZE CHART: 207*207*30cm, 210*210*30cm, 215*215*30cm, 220*220*30cm, 228*228*30cm, 231*231*30cm, 220*220*90cm Product color: black, gray, coffee, beige Material composition: waterproof 190T silver coated : This product is made of 190T silver-coated fabric, which is sun-proof in summer, snow-proof and frost-proof in winter, and can prevent fallen leaves from causing trouble to us in autumn, and is universal in all seasons. The weight is ultra-light, and there is a bundled cloth bag for storage, which is convenient to carry. Each piece is about 0.45kg. This paragraph is long-term stable supply. 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.