Features: Suitable for different kinds of sunshades, tents, billboards, etc. after filling, it can be effectively fixed to prevents being blown down by the wind, which is safer. It can be filled with sand of different weight and used as sandbag and fixed bags, which is convenient and efficient. There are two sizes to choose from. Users can choose the right size according to the actual needs. Folding storage when not in use, small size, convenient storage and carrying. Oxford cloth material, wear resistance, tear resistance, long service lifes.