Amazon.com: Unum Set of 2 Acrylic 24" Invisible Floating Shelves for Wall; Clear Hanging Wall Display Shelf Ledges/Ledge - Vinyl LP Record Display Shelves - 24" Long x 4" Deep (2-Pack) :
Acrylic Glass, Acrylic & Brass Glass Shelf for sale at Pamono
Umbra Sheer Acrylic Wall Shelf | The Container Store