In terms of materials to use in a smoker, it is best to use something natural rather than synthetic materials. Stan Moulton, our beekeeper at Bee Champions, prefers to use burlap with bits of grass and bark in his smoker. Other beekeepers use pine needles and 100% cotton, both of which are good options.
Here are some training videos on how to start and use a smoker:
You can purchase a smoker here.