EASY TO INSTALL: These solar cover rolls are very easy to install, just follow the steps in the 3rd picture shown. Tear off the double-sided tape on the buckle and stick the tube, then machine the top of the strap; thread the trap through the buckle; thread the trap through the plate; thread the trap through the buckle again; then the installation is complete. Its easy and only takes about 30 minutes. INCLUDES: Pool Reel Attachment Strap Includes 8 PP Polyester Braided Straps (1 x 71), 8 Buckles (0.9 x 1.25), and 8 Plastic Buckles (1.75 x 2.76). Wide Application: This universal solar cover tape is specially designed for ground solar blanket reels. It fits all solar cell covers with widths from 10 to 24 and thicknesses from 8mm to 16mm. Faster fixation: To make the pool cover roller straps more secure against being blown away by strong winds, you can remove the sticky machine patch and screw the straps to the reel to make the straps more secure. Product parameters: (gusset plate * 8 + woven bag * 8 + buckle * 8) Package size: 24*18*9cm, weight: 330g