This is optional, the trademark is just to confirm that it is this brand when you purchase. Leather bags belong to Group 1802 of Class 18 in the Nice Classification of Goods and Services (10th Edition). When applying for a registered trademark, one application can protect one category. As long as the basic fee remains unchanged, you can choose ten products in one category for protection. Therefore, in addition to bags and bags, you can also consider protecting the following when applying for a trademark in this category. Items in several aspects: 1. Leather and artificial leather, fur; 2. Leather, artificial leather products not belonging to other categories, boxes and travel bags, daily leather products; 3. Umbrellas and their parts; 4. Walking sticks; 5 , animal utensils; 6. casings.