【Daytime Privacy Window Film】Shackcom one way window film provides great privacy during daytime and outside glass shows mirror effect. Privacy ≥95% design to let you enjoy your life easily and safely. Daytime, outside cannot see inside. At night, outside can see though inside when you turn on the light. Each Roll Size is 90x200cm(35.4 X 78.7inch). Packge includes 2 Rolls heat reflective window films. There is installation guide image on the left of this page for your reference