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 Wall Shelf 48" + Reviews | CB2
MELLÖSA Picture ledge, transparent, 235/8" - IKEA
Amazon.com: White Acrylic Floating Shelves Display Ledge,15 Inch Wall Mounted Storage Shelf for Kitchen/Bathroom/Office,5 MM Thick Kids Bookshelf and Spice Rack,Set of 2 : Home & Kitchen