Package Includes: you can get 1 piece 16 x 8 inch vinyl basement window and 1 detachable screen window, providing excellent insulation and ventilation for your home, basement hopper window is a nice choice for your new building or renovation needs; Please refer to the product description for installation steps Material: this white basement window is made of insulated vinyl material and double-layer frosted glass, which can isolate cold air from the outside and maintain indoor temperature and block cold air and maintain warm air, protecting your privacy Multifunctional Window: the basement window sash slides freely and interlocks with the main frame; It is windproof and rainproof, equipped with detachable window screens; The variable opening options allow you to adjust the required airflow and ventilation Easy to Install: this hopper window for glass blocks is easy to install by simply attaching it to the appropriate window, whether you are an experienced DIY enthusiast or a complete beginner, installing the windows is an easy project; This sliding window is good for people who want to improve air circulation in sheds, chicken coops, bathrooms, and more; After installation, the windows will be level with the building Widely Application: our basement windows with window screens and tempered glass can be widely applied in various glass brick windows, sheds, cabins, villas, small houses, garages, barns, bathrooms, basements, etc.