Stays PutMade from 600D Oxford material coated with a weather durable PU which is UV protective, durable and waterproof, super large size 40x41cm. The heavy-duty weight bags provide a quick and easy way to keep your tent or canopy safe and secure. Perfectfor outdoor events and blustery days. Easy to UseSimply wrap the velcro strap around the tents legs, tighten the strap, and sit back and relax. The bags will stay firmly connected. Each bag can be filled with up to 13KG of sand, gravel, soil, easy to put up and release. Ideal for use onhard ground Wide ApplicationStabilize any instant leg canopy(leg size from 15mm-50mm), pop up tent or gazebo structures, trampoline, camping sun shelters, sports umbrella with our durable universal weight bags bunddle. Super Easy to CarryAnchor bags are equipped with a sturdy sewn-on polyester handle for easy portability. Carry pouch included for easy and convenient storage. Double ClosureDurable magic strap closures prevent sand from spilling out during use. 4PCS