Nowadays, a 0.2 mm fleece back wood veneer and paperbacked veneer. They are very common in wood veneer door and wood veneer furniture carpentry.
It is easy to apply fleece/paper backed wood veneers. Because they have good features of flexible and strong.
They also have max four foot wide, so that will be very easy to bond on the substrate.
But the bubbling problems always happen. When applying the wood veneer bonded to substrates not smooth.
If you want to use thin fleece/paper backed veneers, You should buy good quality plywood or MDF with a smooth surface.
In the production of the wood door, cabinet, furniture, and wallcovering. The stability and smooth of the substrate are very important in avoiding veneering problems.