HIGH DENSITY WATERPROOF MATERIAL This octagon sandbox cover is made of 420D Oford fabric and coated with a waterproof PU layer, which is weatherproof, waterproof, UV resistant and tear resistant. No matter the weather, the MRWiZWS octagon sandbox cover can protect your childrens sandbox from the effects of sunlight, rain, snow, wind and dust.UPGRADED DRAWING DESIGN Compared with other ordinary drawstrings, we have specifically reinforced the rope design, which is elastic and more sturdy. The octagonal sandbox cover can ensure that your childrens sandbox is more sturdy on windy days and protect sand and toys from leaves, dust and rain.SIZE COMPATIBILITY Our outdoor octagon sandbox cover is 35 centimeters larger than most waterproof covers on the market, if the size is too small, your cover can easily break. Please check the size of your childrens sandbox before purchasing.EASY TO USE AND CLEAN This cover is specially designed for childrens bunkers to keep toys and sand clean, making it a good companion for children to play outside. At the same time, it is equipped with a storage bag that can be folded and stored when not in use, saving space. The sandbox is safe and convenient to carry.IN USE Octagon sandbox cover is not only an ideal protection for childrens sandboxes, but can also be used as sandbox cover, pool cover, sandbox cover, garden pool cover, furniture waterproof and dustproof cover, etc.