Revisions. They are available in a wood veneer or Mother of Pearl finish and are precision cut, scored and then folded around a solid interior skeleton. I love, LOVE them!
As a bonus to all of my lovely readers, Revisions is offering a 10% discount on any order from their entire shop. Just enter the code: BLOGREADER10, at checkout. I have these and love them, but their whole shop is amazing, you're bound to find something you love. Enjoy, friends!