Spring-Lock Metal Label Holders by Panter Company PCISL1 | OnTimeSupplies.com
Really Good Stuff Clip-On Label Holders With Labels – Easily Attaches to Bins and Baskets – Keep Classroom Materials Organized and Clearly Labeled – Durable, Reusable (Set of 12) : Amazon.co.uk: Stationery
Label Holder in Office Filing & Storage Supplies for sale | eBay
C-Line Self-Adhesive Binder Label Holders for 2" to 3"; Ring Binders, 2-5/16" x 3-5/8", 12 per Pack (70025) : Amazon.co.uk: Stationery & Office Supplies