How much does this cost to the nearest dollar?

Krystal Seal KS1114 11 in. x 14 in. Seal Self-Healing Art Print and Photo Bags
For long or short term protection of valuable artwork and precious photographs. Archival and crystal clear 2mil polypropylene. Accepts mounted and matted artwork; perfect for home gallery and outdoor shows. Provides a professional finish to presentations. Bags have a 1/4 tolerance on both sides and are made to fit the sizes listed. More for the money with this high quality Product Offers premium quality at outstanding saving Excellent product 100% satisfaction Manufacturer Krystal Brand Generic, Weight 4 ounces, Dimensions 0.01 x 11.7 x 18 inches, model number Is Discontinued No, Material Type Polypropylene, Size 

Price is $21.00

Price: $21.13