This older diffusion sheets appears to be unused in excellent cosmetic condition may has some discoloration from age. it measures 30x53". there's no brand info can be found and don't know what lightbox to fit, will leave it for you to know, sold as is. Thank you

Please check out the series of photo for detail cosmetics condition! you will be getting exactly what you see in those photos. I also offer returns, so you are safe!

I do combine shipping if you order more than one item.

Thank you for looking! good luck on bidding!

Please take a look at my other items for sale. As always, I guarantee satisfaction. My 1st concern is keeping my customers happy and my feedback positive. 

if you have concerns, please contact me first before leaving feedback, you will find me to be very workable.