I wanted a clean looking holder for labels on fabric bins for my kids' toys.  

Two versions: one with flat back. one with inset strips for double sided foam mounting tape.  - https://www.amazon.com/gp/product/B00MAQBPEM/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&th=1

Fits 2" x 4" shipping labels.