The Swiss-made bars are only available to Costco members, whose annual fees range from $65 to $130. Made of 999.5 pure platinum, the bars are non-refundable and limited to one transaction per membership at a maximum of five units per order. They are only available online and can’t be delivered to customers in Louisiana, Nevada or Puerto Rico.

Costco has added platinum to its precious metals offering, but experts caution that the coins and bars are not considered a safe-haven investment.

Costco has jumped into selling a new precious metal: 1-ounce platinum bars, according to a Wednesday report from Fortune.

Costco is trying to replicate its recent success with gold bars, with platinum joining the extensive list of precious metals that collectors are snapping up at the retailer.

Costco is going platinum. The warehouse giant is now selling 1-ounce platinum bars for $1,089.99 after its recent success with gold bars.

The precious metals have a unique target audience in doomsday preppers who like to stack up on the valuables in order to be able to barter in a post-apocalyptic world

Customers will need a Costco membership to buy platinum bars. Unlike most other products available at Costco, however, you can’t buy this one in bulk.