BD ART 9x9 (23 x 23 x 4.7 cm) White Shadow Box 3D Square Picture Frame with Mat for 5x5 inch Photo, Glass Front : Amazon.co.uk: Home & Kitchen
Shadow box frame square “Hill billy chicks” - Folksy
Jet Black Square Shadow Box Frame with Antique White Mount - Various Sizes | Copycast Studios
6x6 Square Shadow Box, Display Area 5x5 Shadow Box Frame with Glass, Small Shadow Box Display Case with Hinge and Magnetic Door for Shells Taxidermy Keepsake Photos Tickets Coins-Rustic Gray : Amazon.co.uk:
Shadow box frame square “Ellie chick” - Folksy
Blank Square Deep Shadow Box Frame SVG for Layered Artwork - Etsy UK
Jet Black Square Shadow Box Frame with Antique White Mount - Various Sizes | Copycast Studios