Thule Air Base Greenland Silk Pillow Case Top of the World. This lovely pillow case is made of silk. Measures 20 1/2 inch X 20 1/2 inch and will hold a pillow case size 17 1/4 inch X 17 1/2 inch or slightly smaller. No stains tears or moth holes. Colors vibrant. Please ask any questions. Shipping cost actual cost. No Handling fees. Unless requested otherwise this item will ship from St. Albans, Vermont zip code 05478 in a heavy duty plastic envelope size 13 inch X 10 inch and has a total packaged weight of 6 ounces Please Search or Google Allies Vintage Alley to see my online store.