Made using 100% cotton fabric and Annie's Soft & Stable.
Each has a front pocket and magnetic snap closure to help your book from slipping out.
Hardback book sleeve: 11"h x 9"w
Softback book sleeve: 10"h x 8"w
These are customizable as far as size and fabric are concerned. If you are interested, please reach out, I'd be happy to work with you on making a specific book sleeve that meets your needs.