1.Lights: The table lamp does not contain bulbs. The bulbs need to be purchased separately. 2.Materials: The materials Delta selecting are superior and enviromental. They are absolutely durable and nontoxic. 3.Safety and Quality Standards: Delta lay great importance on safety aspect of our products, all of which have obtained CCC, GS, RhoS, PSE and UL/cUL international standards. In 2009, the business also achieved a milestone of establishing ISO9000, enabling us to attain process efficiency and quality supervision. 4.Service: Delta is the professional art lamps' supplier, we have a professional team to serve for your question and enquiry. And Delta welcomes your enquiry and we'd love to say "yes"! 5.Development: Delta is constantly looking at developing and expanding our product portfolio, whether it is OEM design or inspiration from our designers. A light, a lamp may be simple, but it is the feel it brings to home that matters. We believe - Delta makes you a better Home. 6.Delivery: Delta has a 14, 666 square metre manufaturing plant, about 200 professional workers and 8, 000 square metre warehousing capacuty. We will guarantee your order delivery on time together with quality finish.