Please pay attention to these points when choosing lenticular materials :

1. Viewing distance : if more than 1.5m, you need PS lenticular board, if within 1m, you need PET lenticular sheet 

2. Thickness you need 

3. What usage you want? 3d cards or outdoor large size 3d poster ?

4. The lenticular effect you need ? 3d effect or flip effect or other effects?

5. Your printer type and resolution . injekt printer or UV offset printer or UV flatbed printer ?