Atlas tray has standard sizes：
1/1 full size atlas tray: 273*378*15mm
1/2 half size atlas tray: 273*191*15mm
2/3 two thirds atlas tray: 273*252*15mm
The atlas tray must made of plastic ABS (Acrylonitrile Butadiene Styrene) food grade.
Also the atlas tray can according the airlines request to embossing the logo at the underside of the tray
The atlas tray has a special function is Anti-slip, the atlas tray can keep glasses and dishes from sliding on Angle 30-45°.
The atlas tray video show: https://fb.watch/J7IwBrFGwM/