So this is pretty neat. I ordered this because we have a 4 dog household and we can’t keep blinds in tact with how busy they are looking out the windows. It kinda sucked getting it out of the packaging it was extra protected. And the way the instructions are rolled up it rips in half. But long story short you need to clean the window first then the window actually needs to be really wet to put it on. And measure and cut with a box cutter is the best way