Features: brand new and high quality Size: 7 sizes to choose from, suitable for bathtubs of different sizes. Durable material: This product uses 210D Oxford cloth PU coated silver coated waterproof silver coated fabric (silver coating can prevent ultraviolet rays and heat dissipation), wear-resistant, durable, anti-aging, and have a long service life. Multi-function: anti-snow and frost in winter, sun-shading in summer, fall leaves to prevent trouble, dust-proof, many functions, universal in all seasons. Advantages: simple installation, light weight, easy to fold and carry. Windproof: The drawstring at the bottom uses a chain technology to prevent the thread from falling off and increase safety, so that it will not be blown away by the wind. Specifications: Material: 210D Oxford Cloth Color:Black/Silver Size:1: Approx. 160x90 for cm/62.99x35.43 in 2:Approx. 190x30 for cm/74.80x11.for 81 in 3:Approx. 190x90 for cm/74.80x35.43 in 4:Approx. 200x30 for cm/78.74x11.for 81 in 5:Approx. 210x30 for cm/82.68x11.for 81 in 6:Approx. 210x70 for cm/82.68x27.56 in 7:Approx. 160x30 for cm/62.99x11.for 81 in Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Round Hot Tub Cover Cap