I have never seen kangaroo pouches (except on kangaroos!) but I can
well believe Craig's praise of them is not overstated.  And the price
of $8 per square foot is unbelievable, especially since the Leather
Supply House (Marilyn McLeland) sells its zephir skin at $11.75 per
skin (about 2 3 of a square foot).  Incidentally she now has kangaroo
bellows leather in stock in various weights (but not pouch weight)
at $7.95 a sq. ft. in natural, $8.50 in black (full skins only,
average skin size 4 sq. ft.).  What Craig said about the virtues of
kangaroo holds true for its use as bellows material on any bellows
getting hard use.