ClearBags Clear Book Covers – 25 Pack, Plastic Sleeves (9 3/4" x 19 3/4") for Books – Archival Safe, Dust & Water Protector (Fits Books with 9 1/2" Spine Height & Up to 19 3/4" Wide) – BC93Q

I used them on my new harry potter books as noon as I got them. The size fitted very well(9.5in) and the quality is better than I thought. I think I will buy other sizes.As a book lover, hoped I could find them earlier.

Great choice if you're looking for a way to protect your favorite books and book-jackets. Even can be used for paperbacks. Easy to use!

Absolutely LOVE these covers! I wish they had more sizes! That was my only problem, I ordered several times trying to find the right size for my soft cover books. I ended up using them on my vintage books that were the right size for them but my soft cover books were just a little short for them. More sizes PLEASE!!!

9 1/2 tall 19 3/4 long fit Brandon Sanderson hardcover books well.

The product is very good but I ordered this size “ClearBags Clear Book Covers, 25 Pack, Plastic Sleeve Cover for Books, Protector Against Dust, Wear & Tear and Water, Easy Apply, Archival Safe, (for Books 8 3/4" Tall & up to 15 1/2" Wide), BC9”And arrived 9” x 15 “

Largest size is perfect for the Coloriage Mystere books

These covers are not designed to protect dust jackets like the kind you find used in libraries. Instead it is designed as a two piece that covers the book cover. In that sense they may work, although don't see a lot of utility in that. The plastic is very flimsey and might best protect the corners of the covers which creates an envelope around those corners. I had not realized this was not the design that wraps around the entire dust jacket (covers, spine, flyleaf) which protects the edges of the dustjacket which can then go around the book. I adapted these for the moment to somewhat protect the existing dust jackets, but will need to get new covers to properly do the job.

So far I'm liking this a lot. I bought this one pack for one particular off-normal-size set of books that I thought this seller's smallest size of covers might accommodate. It's not a perfect fit, but I am very pleased. I will order more in different sizes for different books.These covers are not of a plastic as thick as library covers, but they will be protective of books that you want to protect but NOT HANDLE a lot. I think it's a very good, very affordable compromise. And they are very easy to put on.