Because of such a huge demand for such products, stores selling these products keep introducing the latest versions and designs in keeping with the trend. There are specific shops that cater to specialized stationery items such as wedding invitations, holiday photo cards and others. Stationery shops have to maintain stocks of products such as fancy fountain pens, note papers, unique invitations, fancy envelopes, etc., demand for which are increasing day by day. Even business houses make use of stationer items for business promotion or corporate gifting purposes. A business start-up may think of advertising their business in unique stationery paper. Customized holiday photo cards, thank you cards etc make popular stationery products as they can be used for gifting or sent to anyone who attended a special event or function.