Hot Tub Cover Round Outdoor Waterproof Polyester Spa Cover for Round Bathtubs and Portable Spas Available in three sizes to fit most round hot tubs on the market. Please refer to the detailed dimensions in the product images and description. We recommend measuring your hot tub to select the correct size. Constructed from 210D Ox fabric with an inner silver coating, this durable cover is waterproof, snowproof, dustproof, and lightweight, helping keep your outdoor spa clean and dry. Features a drawstring design at the bottom with cord locks for secure windproof protection, ensuring the cover stays in place even on windy days. The full-coverage design fits completely over the entire tub, including the heating element or motor, reducing heat loss and helping maintain water temperature. Easy to clean—simply rinse with a garden hose and air dry. Includes a storage bag for convenient off-season storage. Package includes: 1 x Hot Tub Cover, 1 x Storage Bag. Hot tub and other accessories are not included.