A 6 hole black plastic carry tray for 130mm pots.    Tray dimensions are 504 mm long x 348 mm wide x 112 mm high  - Hole dimensions (top diameter : 131 mm – bottom diameter : 112 mm)

From Thailand, this tray is designed for X-013 and X-013C pots.

However other pots are able to be used in this tray.

Port Deep Pot PP120D, fits well into the pot holder

Pot JJ140B, fits well into the pot holder.

Dome Squat Pots JJ140DOME and JJ140CDOME - fit in the pot holder but only go about half way down to the bottom of the holder.

Pot 150MCP - fits in the pot holder but does not go right to the bottom of the holder.

There may be other pots that are able to be used in this tray.