The cover is easily lifted (like a parachute) by even 10-15 mph winds and takes it right off. The single strap only keeps the cover from blowing away. In my opinion, this cover needs more than one strap to hold it on and the straps need to be long enough to attach to the bottom cross-bar to keep the wind from lifting it. This cover is not near the quality of past Weber covers. My previous Performer grill cover lasted 15 years or more.