How much does this cost to the nearest dollar?

Keri Systems KC-10X Standard Light Proximity Card (100 Pack)
The most popular proximity card in existence, it is thin enough to be wallet-friendly It comes standard with a vertical slot punch and can accept photos and graphics via industry standard adhesive packs (dye sublimation or laminated). Size is 2.13 x 3.38 x 0.065 (54 mm x 86 mm x 1.6 mm). Sequentially numbered (C5 formatting excepted). Pack of 100 cards Manufacturer Keri Systems Incorporated, Part Weight 2.13 pounds, Dimensions 8.35 x 5.83 x 1.18 inches, Is Discontinued No, Rank Security & Surveillance Accessories 2588, Available July 7, 2012

Price is $399.00
Price: $399