The PahaQue 12x12 Screen Room Rainfly, Green makes your 12x12 Screen Room a little more weather proof so you can use it in wind and rain. The corner webbing makes sure it's a good fit and the durable Metal grommets let you peg it down easily. The heavy duty waterproof coating and factory sealed seams make this rain fly absolutely watertight even in big downpours. Of course the 150TPolyester Oxford material has also been treated with UV protection. Add the rainfly to your screen room to have an excellent outdoor living space when it's pouring down and none of you feel like venturing out into the wet.