My *guess* is it's domestic first seat ... but I'll get back to you on it.
edit -- says it's lie flat.
BUSINESS
$1,887
3 fares left at this price- Dedicated check-in area
- Fast track through security
- Lounge access
- Priority boarding
- Exclusive cabin
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- Lie flat seats
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- Luxury dining
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- Free Wifi (where available)
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- 3 x 23kg/50lb checked bags
- Standby for earlier flight
- No change fee (fare difference applies)
- Eligible for a refund voucher
- Eligible for a cash refund (less 15% & fees)
here's a flashy video i just found