The product you are talking about is household paper. The 1603 group in category 16 includes baby diapers, toilet paper and other products. These products are similar to menstrual pads, sanitary pads and sanitary napkins in the fifth category 0506 group!

In other words, if you want to apply for a registered trademark, according to the Nice Classification, you can choose to apply in the 0506 group of the fifth category, or you can choose to apply in the 1603 group of the 16th category .

If you select one of them, the other one will get cross protection.