... thickness must be less than 1mm, which is suitable for big batch manufacture. The other one is called lenticular lamination, ... . Material is PP&PET ,non-toxic. 3d lenticular souvenir cups, 3D lenticular picture,lenticular printing cards, lenticular picture,decorative painting ... thickness must be less than 1mm, which is suitable for big batch manufacture. The other one is called lenticular lamination, ...