Renner has excellent thin bushing cloth in sheets; I know of no other
sources of thin material.  APSCO used to supply me with extremely thin
green baize, such as is used on billiard tables, but this was not of
the best quality.

  Renner USA
  Attn: Mr. Lloyd Meyer
  P.O. Box 1223
  17 Treadwell Lane
  Weston, CT  06883
  tel: (203) 221-7500 or (203) 260-3342
  fax: (203) 454-7866