Please put the gas fire pit on the glass top not under the glass .Do not cover the igniter with lava .please refer to the picture in the listing. we strongly recommend using 5 kg gas tank. Before using the fire pit ,please check it carefully if there is any leakage at the joint place or the hose . if the gas bottle is not fixed correctly or the hose has some leakage it may cause danger . The 2 armchairs are adjustable, you can adjust the inclination of the chair back from 90-130 through the button .Pls Keep the Cushion Indoor Or Put on With Rain Cover When Not In Use .Put on Furniture With Rain Cover If Not Use For Long Time . Delivery will be kerbside only. courier will call you or send text message about delivery date ,please note text message or phone call from distribution company Fimous Rattan Garden Furniture Gas Fire Pit Table Sets Heater Love Sofa Recling Chairs Footstools in Dark Grey