The coating you choose is important if you want to be able to write on the product.
Stocks that are most suitable for writing:
Any uncoated stock
Silk Matte Laminate coated stock
The following coatings can be written on, but may smudge or require some drying time:
Smooth Matte Laminate (Spot UV gloss areas cannot be written on)
Semi Gloss
Matte
Coatings not suitable for writing
Super Gloss (unless using an oil based marker)