Review on Phantoscope Pack Of 2 Outdoor Waterproof Throw Pillow Covers Decorative Square Outdoor Pillows Cushion Case Patio Pillows For Couch Tent Sunbrella (18''X18'', Turquoise) by Hamilton Larcony

Bought this company's cover and inserts at the same time. Both are 18 inches square. The inserts arrived days later and here are pictures of the two pieces together for the first time. Underwhelming at best- it looks as if a size larger insert (20" square) should be specified for the 18" square covers.But how would I know other than trial and error? And why do I need to bother? That is exactly why I bought both cover and insert from the same company (at the same time)! Frustrating.The one positive- the covers are made well. The piping, stitching, and grain are all put together well.Also, the ebay writeup states the covers are Sunbrella fabric. Nowhere else is this mentioned, and while I am not familiar with the entire Sunbrella line, these covers feel nothing like the Sunbrella I know.