Amazon.com: (Pack of 12) 4" x 6" Acrylic Sign Holder/Clear Table Card Display/Plastic Upright Menu Ad Frame : Office Products
1pc Plastic Stand Holder Universal Tablet Stand Stand Desk Phone Holder For Ipad Iphone Sony Nokia Cellphone And Tablet Stand - Holders & Stands - AliExpress
Frosted Rigid Plastic Horizontal Half Card Holder - for Swipe Cards by Specialist ID - Walmart.com
Heavy Duty Plastic Label Holders For Wooden Shelves | DGS Retail
8.5w x 11h Clear Plastic Wall Mount Ad Frame/Sign Holder - Screw Mount or Tape Mount
Plastic Literature Displays, Acrylic Literature Frames, Acrylic Laser Cut Card Holder : TAP Plastics