IPad Air 5th generation
What is the size of case needed for iPad Air 5th generation (latest generation)
Consider that the iPad Air4 and Air5 are physically identical. Cases for the iPad Air5, marketed by Apple, can be found here:
Cases & Protection - All Accessories - Apple
For info, the iPad Air5 dimensions are:
Height
247.6 mm (9.74 inches)
Width
178.5 mm (7.02 inches)
Depth
6.1 mm (0.24 inches)