This is a lightly used 150” accoustic transparent screen from Elite Screens that retails for $1508 US . One of the best I have used, see my review on my channel… https://youtu.be/qm4Fv1DLdv8?si=0aT0lFz167TKyzX_ And a link to the actual product page… https://shop.elitescreens.com/products/elite-screen-aeon-cinewhite-a8k The Aeon CineWhite A8K is an EDGE FREE fixed frame screen with an ultra-fine acoustically transparent front projection material for high-resolution projectors. The CineWhite A8K material allows sound to pass through the multi-layer fabric with minimal attenuation. Its bonded black backing eliminates light loss while reducing light reflection. It is ISF Certified for accurate color reproduction in a dark room environment for presenting videophile presentations.