The anchor was seen as a symbol of strength as anchors hold down ships even in the stormiest of weather. It was also a popular symbol because of its close resemblance to the cross. Anchors were also used to mark safe houses for those seeking refuge from persecution.
While sheet sizes vary by brand and style, a fitted sheet is similar to its respective mattress in measurements; for instance, 78 inches wide and 80 inches long for a king mattress, compared to 72 inches wide, 84 inches long for a California king. The fitted sheet has a little extra width in the king-sized set.
Flat sheets are larger: up to 109 inches wide and up to 106 inches long for a king, compared to up to 108 inches width and length for the California king. Flat sheet sizes vary greatly from one style to another. Some retailers offer size charts so you can determine which option best suits your needs.