Square Hot Tub Cover Patio Outdoor Heavy Duty Waterproof Protector Spa Hard Covers For Hot Tub Features: Waterproof material: This square hot tub cover is made of material, which is not permeable, lightweight and durable. NOTE: This cover can not be used alone without an insulated hard cover under it. Multiple sizes: The hot tub cover comes in five sizes. Applicable to most types and sizes of bath covers, you can measure the size of the bath before purchase. Full : square spa cover close to the hot tub, can outside dust, leaves and other garbage into the bathtub, keep the hot tub clean, to your square hot tub has a good . Practical design: the bottom of the square hot tub cover can adjust the length of the rope, to ensure that the hot tub cover is closely attached to the hot tub, will not be blown away by the wind. Practical design: the bottom of the square hot tub cover can adjust the length of the rope, to ensure that the bathtub cover is closely attached to the bathtub, will not be blown away by the wind. Color: This hot tub cover can be selected in a color: black. Product Description: Full : square spa cover close to the hot tub, can outside dust, leaves and other garbage into the bathtub, keep the hot tub clean, to your square hot tub has a good . Practical design: the bottom of the square hot tub cover can adjust the length of the rope, to ensure that the hot tub cover is closely attached to the hot tub, will not be blown away by the wind. Practical design: the bottom of the square hot tub cover can adjust the length of the rope, to ensure that the bathtub cover is closely attached to the bathtub, will not be blown away by the wind. Waterproof material: This square hot tub cover is made of material, which is not permeable, lightweight and durable. NOTE: This cover can not be used alone without an insulated hard cover under it. Practical design: the bottom of the square hot tub cover can adjust the length of the rope, to ensure that the hot tub cover is closely attached to the hot tub, will not be blown away by the wind. Practical design: the bottom of the square hot tub cover can adjust the length of the rope, to ensure that the bathtub cover is closely attached to the bathtub, will not be blown away by the wind. Multiple sizes: The hot tub cover comes in five sizes. Applicable to most types and sizes of bath covers, you can measure the size of the bath before purchase. Full : square spa cover close to the hot tub, can outside dust, leaves and other garbage into the bathtub, keep the hot tub clean, to your square hot tub has a good . Color: This hot tub cover can be selected in a color: black.