Probably nationwide - looks like Bunnings are clearing these out as I can't find the product on their website. Plenty of stock when I went this afternoon.
Stole this description from another website
The vacuum molded 6ft fold in half bench is designed to for ultimate portability and usability. It features no pinch locks, hinge locks, safety hinges and clips to keep it folded. It is light weight yet very strong and has a weight capacity of 300kg. Plenty of weight for every one to fit on the seat!
• Folded portable and lightweight
• Adjustable height
• Carry handle
• Safety hinge
• Hinge lock
• Pinch free safety lock
• UV protection
SIZE: 182.9 x 35 x 44.5cm
WEIGHT CAPACITY: 300kg