Installation Notes:This product includes hooks and seamless double-sided adhesive.1. First cut the seamless double-sided adhesive with scissors, then stick it with the hook, select the appropriate position of the wall, then pressthe hook on the wall for 10 seconds, then hang the metal hole on the hook.The installation sequence is from right to left, from top to bottom.b>You don?t need to worry about wrinkles and like a web shape after installtionThere is no wrinkle on the surface of the screen ,the black side of the screen is straight and the entire screen becomes a complete rectangular shape after installationHow to remove stains?This product can be washed by hand or machine , or directly clean the dirty parts and dry it, then we can use them again! It is so convenientto clean them that we can say goodbye to stains from now on Specification: Format: 16:9 HD Size: 120 inch Viewing Size: 104" x 58" Support: 160 viewing angle ? 1080P Full HD ? Front Projector ? Rear Projector ? Suitable for: Home Theater Business Meetings Propose Marriage Exhibitions Conventions Presentations Education Package List: seamless hooks x 20seamless double-sided adhesive x 24 120 inch projector screen Packaging bag x 1 Ropes x 2 packs