As long you don't heat the peva it should be find to reuse it.
They are made in China.
Some mattresses but not all have fully organic material. Check the tags of the mattresses to be sure.
Yes they are.
Some foam mattresses are safe for babies, you have to verify it though by reading any warnings.
The frames were made of brass and iron and the mattresses were usually stuffed with some sort of foam or cotton. Some mattresses were stuffed with grass as well.
no
Peva is polyethylene vinyl acetate which is a plastic and a vinyl making it biodegradable. Biodegradable objects are things that do not produce any kinds of gas.
Synthetic fibres and fabrics are most traditionally used for mattresses as these are the best for the job. In some cases mattresses can be made of silk to cotton.
Organic crib mattresses are made with only organic materials including organic cotton. They are likely to be kinder to skin and more hypoallergenic than regular crib mattresses.
Tempur mattresses do cost more money but then again all mattresses cost money, however the tempur mattresses are made of really really good quality to make sure you have a great night sleep. If its worth it then go get it.
Texas has one factory.