Our products specs are as following:

 

common size : 3.5x5” , 4x6” ,5x7” ,7x9” 8x10” ,11”x14”, 16”x20",  and other sizes are available.

 

Black core

 

lignin and acid-free

 

Thickness: 1~~3 mm

 

Cut: 38, 45 degree bevel cut, 90 degree die cut

 

OEM and ODM are highly welcome