ORDERED,20G, 8 X8 CLEAR VINYL TARP FOR PATIO. HAVE USED IT FOR 9 YEARS NOW AND OTHER THAN SEASONAL WASHING IT HANGS WELL, GROMMETS ARE HOLDING WELL. JUST SOME MILDEW ON BOTTOM SEAMS. THIS IS ALMOST GLASS CLEAR WITH NO WRINKLES FROM THE DAY WE GOT IT. THE OTHER 3 TARPS CAME WRINKLED. I WAITED FOR THE WRINKES TO DROP OUT BUT AFTER 7 YEARS THEY ARE AS WRINKLED AS WHEN WE GOT THEM. EMAILED THE COMPANY AND ONLY GOT THAT IS THE WAY IT IS. DONT BUY FROM THEM UNLESS YOU ARE OK WITH DEEP, WRINKLES.