- Go to Items in the main navigation menu. 
- Press Custom Attributes in the upper right corner. 
- Press + New Product Attribute. 
- Under ATTRIBUTE CODE, enter “weight”. All letters should be lowercase. 
- Under ATTRIBUTE NAME, enter “Weight” 
- Under CUSTOM ATTRIBUTE TYPE, select Product attribute / number from the dropdown menu. 
- Under FRONTEND INPUT TYPE, select Text. 
- Under UI COLUMN SIZE IN POS, enter “3” 
- Press Save Changes. 
Create a Weight Attribute
        If you want to assign weights to your products, you'll need to create a weight attribute in the backend.
      
    