This first one,
http://tinypic.com/r/2lcxw8y/8
http://tinypic.com/r/30j4dvo/8
http://tinypic.com/r/2gv4egi/8
Appears to be made out of metal, mote the rivets and seams, and has is about 7.5" in diameter on the head

This second one is probably a Bayan from a Tabla set, but it's the the size that make me wonder, it's also about 7.5" in diameter on the head
http://tinypic.com/r/28rkvix/8
http://tinypic.com/r/29qfogj/8
http://tinypic.com/r/10xrllx/8

Thanks for your time!