I hope someone can help…I've been looking for almost 1 years for an answer to this question.Consider a wooden veneer cylinder…a drum shell. The way it's built is a series of veneer pieces glued together, inserted into a perfectly round mould
Try Musthane.com, they do a large range of air bag type products.Good luck from a fellow drummer!
We use Firestone air bags in our apps. Try them.Troy Barhite