Features 1. There are four multi-functional counterweight bags suitable for stabilizing any mobile shed, canopy, sunshade, folding shed structure, etc. 2. Material: fabric (600D Oxford and PVC coating), strong double stitching, strong and durable weight bag. 3. Easy to use: Heavy bags can hold any usable object, such as stones, sand, dry earth, etc. The heavy bag can hold 11.3 to 30.0 pounds. 4. Design: Each counterweight bag comes with two fasteners on tops and bottom that fit perfectly onto the tent pole for easy installation and use. 5. Occasions: suitable for any place with tents, such as: yard, market, camping, picnic, fishing, large events, beach, etc. Specification Material: Oxford cloth Size: Unfolded Size 44x41cm Quantity: 4pcs Package Includes: 4 x Bag Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.