Universal Fit: Works on pool covers 10ft to 24ft wide and wider, all thicknesses 8mm up to 16mm. All brands of solar blankets and all brands of reels. Complete kit: includes 8 each of straps (6ft long x 1in wide x 0.05in thick), hook and loop, plates and buckles . Everything you need to attach your solar cover to your reel. Firm and Sturdy: The material of these solar cover straps is heavy duty nylon, which is firm and sturdy. They can keep the connection tight and ensure the bond strong and hard. You won't need to worry it will be loose. Good material makes it safe and keeps durable. Easy to install: Don't waste your time guessing and installation is easy. 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.