8.5" X 11" is a standard size. You just have to search for ready made frame. Here's one for $11 on Amazon. https://www.amazon.com/Craig-Frames-7171610BK-11-Inch-Finish-825-Inch/dp/B004D3UFG4/ref=sr_1_2?dchild=1&keywords=8.5x11+picture+frame&qid=1617463788&sr=8-2