LINENLUX Weight Bags Leg Weights for Pop Up Canopy (16.54x17.32 Inch,4 Pcs-Pack) [Polyester Oxford Cloth]:Waterproof 1680D polyester fabric coating with PVC, more stronger, durable and waterproof than usual sand bags [Large Load Capacity]:The industrial grade weights bag has large load capacity, and the weight bags hold up to 20- 25 pounds(16.54*17.32 Inch)/25-32 pounds(20.08*20.67 Inch),perfect for sand, rock, or dirt different land environment [Safety Reflective Strip] :The two safety reflective strips on sand bags,can make your tent easily seen from all angles with this reflective safety when you are doing any outside sport or activity,whether deluxe,rhino,awning or beach canopies ,patio garden gazebos,camping [Versatility]: Two size of weight Bags (Set of 4 sand Bags) perfect for Any Canopy or Tent (fit the leg size vary from 0.59 inch to3.94 inch [Velcro Straps]: Specially designed Velcro straps will ensure that the sand bags stay securely attached to your instant canopy or pop up shelter legs or upper trusses.