EASY TO INSTALL - The clear acylic picture frames are mounted by stick on the wall, no need to drill holes in the wall. At the same time, we use high quality easy pull adhesive, just pull it out in the direction of the arrow, it won't cause any damage to the wall, so we don't have to worry about it even if we rent an apartment house EASY TO UPDATE PRINTS - By simply pulling apart the hook and loop, we were able to easily remove the photo frame from the wall and complete the prints update CLEAN AND CLASSY LOOK - Unlike other wooden and plastic frames, we used super clear acrylic material which looks invisible and frameless, so this allows for an unobstructed display of the pictures, allowing us to focus all our eyes on the item being displayed WIDELY USED - This PATENT PENDING picture frame can fit for 8.5 by 11, 8 by10, A4 letter or smaller sizes, perfect for college diploma frame, document frame, and degree frame. At the same time, the two acrylic panel gaps can be adjusted to fit for some small plant specimens ECO-FRIENDLY MATERIAL - Acrylic material is a recyclable polymer, also known as Plexiglas, with high transparency, easy to mechanical processing and other advantages, is often used in the usual glass replacement material