9 bases per pack. 3 of 60 X 100mm and 6 of 40 X 60mm. 

  These are the large rectangle bases for mounting wargame figures to. Made of styrene plastic in the US.  Light textured surface with lip framing the texture. Made of solid HIPS. The solid bottom allows for attaching self adhesive magnets. 

 Check my other auctions for more bases.