FAMI Black Sandbags Heavy duty, with UV protection: Our sandbags are made with thick weaves(Fabric Weight 90 grams) allowing for heavy-duty applications like sandbagging, landscaping, construction, and building flood barriers. The weave count is 10x10. these sandbags can be used for so many different applications. Made with1600 hours of UV protection, these sandbags can sit under the sun for nine months before they begin to degrade.Filled Bag Capacity of 50lbs Sandbag Usage -Sandbag file with gravel are used as an erosion control device (on slopes). Sand should be filled for flood control needs, whether to protect doors,tunnels,row covers, silage tarpsgarage or to divert water. -Fill sandbags 1/2 o 2/3 full and tie the bag at the top (lay flat when in place). -Always wear gloves during filling operation to avoid hand injuries and protect from contaminants in sand and floodwater. -Use a short handled, #2 rounded point shovel with straight shaft ，bagger scoop or funnel to fill sandbags. Sandbag Filling Tips Do not over fill the sandbag as it will be too heavy to carry. Do not throw sandbags - it stresses the back and shoulders. Rather use a brigade line to pass bags Technical Specifications: Dimensions: 16'' x 25'' Capacity: 50lbs Fabric Weight 90 grams UV protection Anti-corrosion Emergency preparedness Gardening & Landscaping Erosion Control