This category is intended for informational sites, which includes those that focus on instruction, history, and artists involved in the art of glass blowing.
Sites that focus primarily on direct sales of finished crafts should be submitted to the appropriate subcategory of Shopping: Crafts: Glass or one of the other more specific shopping categories.
Sites that focus primarily on direct sales of crafting supplies should be submitted to the appropriate subcategory of Shopping: Crafts: Supplies: Glass or one of the other more specific shopping categories.