Azar Displays 11 in. x 8.5 in. Horizontal Top Load Acrylic Sign Holder (10-Pack) 142712 - The Home Depot
Amazon.com : OFFICE MAJOR Acrylic Sign Holder 11x14 - Wall Mount Sign Holder with 3M Tape Adhesive, Office Door Sign, Plastic Frame Wall Sign Holder, Clear Wall Mount Frame (Box of 3) :
Set of 6 –Sturdy & Elegant Black Aluminum Wall Mount Name Plate Holder, Office Business Door Curved Sign Holder with Adhesive Tape, 8” X 3” - Plastic Film Included, Paper Inserts NOT Included | GlossyEnd
Suction Cup Flag Sign Holder, Snaps Shut, Glass Door Signs
DIY Sign, Plastic, 9.38 x 2, Black ESS-AVT83700
Source clear acrylic display door sign holder on m.alibaba.com
Plastic Sign Holders & Custom Made Acrylic Displays by Plastics Plus
Azar Displays 112731 Angled L-Shaped Sign Holder Frame with Slant Back Design 3.5"x 5''High- Vertical/Portrait, 10-Pack - Walmart.com