Material: the deep interchangeable picture frame is made of high-quality, shiny acrylic glass and an MDF frame, so that a clear view of your artwork. Unique design double fixed picture painting and a black elastic band with metal pins to allow the display and change of artwork. Easy to use: the object frame has a magnetic switch (magnetic) for opening and closing with sawtooth hanger on the back for horizontal or vertical placement. A mat and adhesive for additional attachment are also included. Exquisite artworks: the picture frame is as a memory box for displaying and storing children's pictures, baby photos, postcards, scrapbooking, concert cards, collections or other keepsakes. Make your own unique piece of art to enhance your life and practice your children, families or friends. Size: Inner frame: 22 * 31 * 1cm suitable for A4 Outer frame size: 24x32 * 2cm art works and for about 50-150 children's drawings deep for filling.